Monitoring Devices. 12/2 Introduction. Transfer switches 12/5 3KC ATC5300 transfer control device

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1 Siemens AG 20 Monitoring Devices /2 Introduction Transfer switches /5 3KC ATC5300 transfer control device Monitoring devices for electrical values /9 5SV8 residual current monitors /11 5TT3 voltage relays /15 5TT3 current relays /17 5TT6 priority switches /18 5TT3 fuse monitors /19 5TT3 phase and phase sequence monitors /20 5TT3 insulation monitors for industrial applications /21 7LQ3 monitors for medical premises Monitoring devices for plants and equipment /28 5TT3 fault signaling units /29 5TT5 EMERGENCY STOP modules /30 5TT3 level relays /32 5TT3 line circuit relays /33 7LQ2 dusk switches /35 7LQ2 temperature controllers /37 5TT3 p.f. monitors /38 5TT3 motor protection relays Charging infrastructure for electric vehicles /39 CM-100 charging controller acc. to IEC /41 CM-230 charging controller acc. to IEC Technical information can be found at under Product List: - Technical specifications under Entry List: - Updates - Downloads - FAQ - Manuals - Characteristic curves - Certificates and at configurators - Configurators Siemens LV

2 Siemens AG 20 Introduction Overview Devices Page Application Standards Used in Transfer switches 3KC ATC5300 transfer control devices /5 The 3KC ATC5300 transfer control device, equipped with two motor-driven circuit breakers, serves as a transfer system that automatically or manually switches between two power supply systems in low-voltage power distribution applications. IEC ; DIN VDE Non-residential buildings Residential buildings Industry Monitoring devices for electrical values 5SV8 residual current monitors /9 To increase system availability and operating safety through continuous monitoring of residual current in electrical systems and signaling if a defined threshold is exceeded. IEC 62020; EN TT3 voltage relays /11 Monitoring the voltage of emergency lighting in public buildings, short-time failures of 20 ms, for ensuring operational parameters for devices or system components or monitoring the neutral conductor for breaks. IEC 60255; EN TT3 current relays /15 Monitoring of emergency and signal lighting and motors. All current relays can be short-time overloaded and connected either with direct measurement or through transformers. IEC TT6 priority switches /17 For a reduction of the connection fee in accordance with German Federal Regulations on Tariffs when used in systems with electric storage heaters where the continuous-flow heaters are switched with priority. IEC 60669; BTO 6 Section TT3 fuse monitors /18 Monitoring of all types of low-voltage fuses. Can be used in asymmetric systems afflicted with harmonics and regenerative feedback motors. IEC /2 Siemens LV

3 Siemens AG 20 Monitoring Devices Introduction Devices Page Application Standards Used in 5TT3 phase and phase sequence monitors /19 For the visual signaling of phase failures or phase sequences in three-phase systems. The phase sequence is arbitrary. The device is also suitable for 1, 2 or 3-phase operation. Non-residential buildings Residential buildings Industry IEC TT3 insulation monitors for industrial applications /20 To increase system availability and operating safety through continuous monitoring of the isolation resistance in non-grounded direct voltage or AC voltage systems. IEC 60255; IEC LQ3 monitors for medical premises /21 For the insulation monitoring of a medical IT system or the load current monitoring of an IT system transformer for a non-permissible temperature rise. Monitoring of the voltage supply with automatic switchover. EN ; IEC ; DIN VDE ; IEC Monitoring devices for plants and devices 5TT3 fault signaling units /28 Evaluation and display of fault alarms and alarm signals for monitoring industrial plants and control systems. With 4 inputs and connections for 39 expansion fault signaling units. IEC TT5 EMERGENCY STOP modules /29 For EMERGENCY-STOP switching in accordance with the Directive 98/37/EC on Safety of Machines. Safe types of circuits for machines, plants or test stations in industrial, commercial and private enterprise applications. According to the Machines Directive 98/37/EC; EN TT3 level relays /30 Control of liquid levels in containers with 3 electrode connections for 1-step and 2-step level control. High immunity to interference of the measuring circuit isolated from the system. IEC 60255, DIN VDE TT3 line circuit relays /32 For disconnecting the voltage or field circuit of unused lines when loads are disabled. IEC 60255, DIN VDE Siemens LV /3

4 Siemens AG 20 Introduction Devices Page Application Standards Used in 7LQ2 dusk switches /33 For demand-oriented switching of lighting installations for shop windows or paths in order to cut energy costs Non-residential buildings Residential buildings Industry EN LQ2 temperature controllers /35 For controlling and limiting temperatures. Three adjustable ranges from - 30 C to C. For PT 100 measuring element + 2 C to C. EN TT3 p.f. monitors /37 For the monitoring of asynchronous motors for underload and no-load operation, e.g. fan monitoring in the case of V-belt breakage, filter blockages, pump monitoring in the event of valve closure or dry runs. IEC 60255, IEC TT3 motor protection relays /38 For the prevention of thermal motor overloads, e. g. due to high switching frequency, single-phasing, disabled cooling or excessive ambient temperatures. With detection of wire breaks in the sensor circuit. IEC 60255, DIN VDE Charging infrastructure for electric vehicles CM-100 / 230 charging controller acc. to IEC /39 The CM-100 charging controller IEC enables charging in charging mode 3 in IEC accordance with the IEC standard. It communicates with the electric vehicle, controls and monitors the switching devices and identifies the charging cable. The charging controller thus ensures maximum safety for the charging operation. Communication with the electrical vehicle via the charging cable is implemented via a pulse-width modulated signal acc. to IEC charging mode 3. /4 Siemens LV

5 Siemens AG 20 Monitoring Devices Transfer Switches 3KC ATC5300 transfer control devices Overview 3KC ATC5300 transfer control devices Automatic transfer control via the 3KC ATC5300 The 3KC ATC5300 transfer control device, equipped with two motor-driven circuit breakers, serves as a transfer system that automatically or manually switches between two power supply systems in low-voltage power distribution applications. In particular, the 3KC ATC5300 transfer control device is deployed everywhere where a power failure is especially critical, e. g. in hospitals, in conjunction with UPS systems, and for industrial processes. Mode of operation The 3KC ATC5300 transfer control device controls the transfer between the main and standby power supplies fully automatically, while incorporating set limit values and delay times. It detects fluctuations occurring in the main power supply quickly and switches to the standby power supply. The control device only switches to the standby power supply after it has ensured that the standby supply is delivering the required power supply quality. The device switches back to the main power supply, taking into consideration the set parameters, once the required power supply quality is available again. If the standby power supply and/or the main power supply is fed by a generator, the control device also offers a wide range of settings, such as a generator lead time, generator delay time, and generator start test at specified times. The 3KC ATC5300 transfer control device can control air circuit breakers, compact molded case circuit breakers, switch disconnectors and contactors. The circuit breakers are controlled via the related motorized operating mechanisms. Setting parameters and monitoring using SENTRON ATC software In addition to operation and parameterization on-site, you can also monitor and set the parameters of the controller using the SENTRON ATC software. The software offers a high level of convenience and quick access to all device settings, e.g. complex settings which occur when connecting generators. Measurement quantity The 3KC ATC5300 records and monitors the following measured quantities: Measured quantity Basic setting Limit value setting Delay time Can be deactivated Rated system voltage U n V AC % % (75 % %) 1) 0.1 s s %... 0 % (100 % %) 1) 0.1 s s Voltage asymmetry % 1 % % 0.1 s s Phase failure % 60 % % 0.1 s s Phase sequence Left, right Frequency Hz 50/60 80 % % 0.1 s s 101 %... 0 % 0.1 s s Battery voltage U b V DC /24/48 70 % % 2) s 110 % % 2) 1) Hysteresis value for enabling back-transfer Warning only, no switching yes -- no Siemens LV /5

6 Transfer Switches Siemens AG 20 3KC ATC5300 transfer control devices Benefits The advantages of the 3KC ATC5300 transfer control device at a glance: Controls compact molded case circuit breakers MCCB, air circuit breakers ACB, switch disconnectors LBS, or contactors Two measuring inputs for single-phase and multi-phase power supply systems Option for switching between system to system, generator to system, system to generator, and generator to generator configurations Direct measurement of three-phase industrial systems ranging up to 400 V AC L-N or 690 V AC L-L (converter costs, no assembly and installation costs for transformers) Has two voltage supply units to cover all standard AC/DC voltage supplies, alternative supply via main and standby system possible Low space requirements due to door installation and compact design Two displays for monitoring the normal/standby system and displaying the phase and interlinked cable voltages Setting control parameters for generator activation requirements Calendar clock Integration Implementation of an automatic transfer system The 3KC ATC5300 transfer control device is used to automatically and manually switch from a main power supply to a standby power supply and vice versa. In case system faults occur, the 3KC ATC5300 controls the switching operations fully automatically. This ensures a very high level of operational continuity. The 3KC ATC5300 transfer control device allows the implementation of an automatic transfer control unit in conjunction with compact molded case circuit breakers MCCB, air circuit breakers ACB, switch disconnectors LBS, or contactors. The following devices are ideally matched to the 3KC ATC5300 transfer control device: 3VL molded case circuit breakers 3WL air circuit breakers Component interaction Feed-in system line 1 (main system) and line 2 (standby system) are connected to the 3KC ATC5300 transfer control device. In case of system anomalies, the 3KC ATC5300 activates components Q1 and Q2 accordingly. Q1 and Q2 can be implemented with compact molded case circuit breakers MCCB, air circuit breakers ACB, switch disconnectors LBS, or contactors. 8 digital inputs, 6 of which are programmable and 7 relay outputs, 5 of which are programmable 4 selectable operating modes: off, manual, automatic, test Data, parameter and logged events (e. g. power failure, faults) remain accessible and unaltered even after a power failure or restarting a device Status display of the connected switches or contactors Logging and statistical processing of occurring events possible Easy system integration through integrated MODBUS interface (RTU and ASCII) for integrating e. g. into a power management system The illuminated LED display makes reading measured values and parameters easy, even under unfavorable lighting conditions The SENTRON ATC programming software saves considerable time when setting parameters and setting up the 3KC ATC5300 transfer control device Generator test run function for mandatory testing intervals Command option for switching to the second set of protection parameters in the ETU76B (air circuit breaker 3WL). Q1 and Q2, configured with circuit breakers All SENTRON circuit breakers connected to the 3KC ATC5300 transfer control device must be equipped with the following accessories: 3VL circuit breakers MCCB The following is also required for each MCCB: - One motor drive - One alarm switch - Two auxiliary switches 1 NO/1 NC 3WL air circuit breakers ACB The following is also required for each 3WL ACB: - One motor drive - One closing solenoid - One auxiliary release (shunt release) - Tripped signal switch - One auxiliary switch block 2 NO/2 NC (standard fittings) /6 Siemens LV

7 Siemens AG 20 Monitoring Devices Transfer Switches 3KC ATC5300 transfer control devices LINE 1 L1 L2 L3 N LINE 2 L1 L2 L3 N QF1 QF2 Q1 x x x x x x x x 1 Q2 I202_01380 LOAD L1 L2 L3 N 1 Electrical interlock Implementation of an automatic transfer system Technical specifications ATC5300 Auxiliary supply Rated voltage U n AC V AC DC V DC / 24 / 48 Operating range AC V AC DC V DC Frequency Hz Max. power consumption VA 9 at U n = 240 V AC Max. power loss At 240 V AC W 6.3 At 48 V DC W 4.1 Max. power consumption At V DC ma 300 At 24 V DC ma 180 At 48 V DC ma 90 Safety in the event of short ms 50 interruptions Measuring inputs Max. rated voltage U n Phase-phase V AC 690 Phase-neutral V AC 400 Phase-phase measuring range V AC Frequency ranges Hz Measuring method RMS value (true RMS) Measuring input impedance Phase-phase MΩ >1.1 Phase-neutral MΩ >0.5 Connection method Single-phase, two-phase, or three-phase system Measuring errors ±0.25 %, Value range ±1 digit Digital inputs Number of inputs 8, 6 of which are programmable Type of input Negative Input current ma 10 Input signal Logic state "0" V 1.5 (typical 2.9) Logic state "1" V 5.3 (typical 4.3) Input signal delay ms 50 Relay outputs Number of outputs 7, 5 of which are programmable Contact configuration 2 relays with 1 NO contact A, at 250 V AC (AC1) 3 relays with 1 NO contact 8 A, at 250 V AC (AC1) 2 relays with 1 CO contact 8 A, at 250 V AC (AC1) ATC5300 Reversing time of control device s 1 Communication cables RS 232 serial interface bit/s With programmable baud rate Connection through RJ6/6 connector RS485 serial interface bit/s Optically insulated With programmable baud rate Connection through plug-in terminals Real-time clock Energy storage Stored-energy capacitors Operating time without feeding Days Approx voltage Insulation voltage Rated insulation voltage U i V 690 Ambient conditions Operating temperature C Storage temperature C Relative humidity % <90 Max. pollution degree 3 Overvoltage category 3 Measuring category CAT III Connections Terminal type Removable/pluggable Cable cross-section mm (24... AWG) Max. tightening torque Nm 0.5 (4.5 lbf in) Enclosures Enclosure material Thermoplastic LEXAN 34R Version Door installation Degree of protection IP41 front, IP20 rear g 950 Certificates and conformity ATS/ATSE standard Complies with the ATS/ATSE standard IEC , in combination with 3VL or 3WL 1) Environment classification 3K6 acc. to IEC B2 acc. to IEC C3 acc. to IEC S2 acc. to IEC M6 acc. to IEC EMC Acc. to IEC ) For more information see device manual at: Siemens LV /7

8 Transfer Switches Siemens AG 20 3KC ATC5300 transfer control devices Selection and ordering data Version DT Order No. Price Screw connection PS* kg 3KC TL30 3KC TL70 3KC ATC5300 transfer control devices Control panel instrument 144 x 144 x 94 mm with the following features: Screw terminal connection AC/DC power supply unit V AC, Hz V DC Rated setting range: V AC SENTRON ATC software Software for setting parameters and remote control operations, incl. connection cable from control device to PC, cable length 1.8 m CD incl. software and manuals Minimum hard- and software requirements: - Pentium, 64 MB RAM - COM interface (serial RS 232) - CD drive - Windows 95/98/2000/XP/Vista/Windows 7 A 3KC TL unit A 3KC TL unit /8 Siemens LV * You can order this quantity or a multiple thereof.

9 Overview Plant safety and operating safety are becoming increasingly important alongside the protection of personnel. Shutdowns due to the unexpected tripping of protective devices cause high costs. It is possible to detect residual currents in the electrical installation before the protective device responds. Residual current monitors (RC monitor residual current in electrical installations and issue a signal when the residual current exceeds a set value. RCMs are used primarily in plants where a fault should result in a signal but not in disconnection. This enables plant operators to detect faults and eliminate their causes before the protective devices disconnect the installation, which increases plant and operating safety and cuts costs. The summation current transformer detects all conductors required to conduct the current, i. e. including the neutral conductor where applicable. In a fault-free system, the magnetizing effects of the conductors through which current is flowing cancel each other out for the summation current transformer, i. e. the sum of all currents is zero. If a residual current is flowing due to an insulation fault, a residual magnetic field is left in the core of the transformer and produces a voltage. This voltage is evaluated using the electronics of the RCM. The switched contact can be used e. g. to operate an acoustic/optical signaling device, a higher-level control system or a circuit breaker. Technical specifications Siemens AG 20 n Residual current Monitoring Devices Monitoring Devices for Electrical Values 5SV8 residual current monitors Time t Time characteristic of the rated residual current Ι Dn 100 % n Disconnection 50 % n Alarm Benefits Higher plant availability and operating safety through permanent monitoring of residual currents Adjustable limit values for residual current and response time enable timely detection and signaling plant shutdowns are often avoidable Devices for every application: The summation current transformers are available in various sizes, the RCMs can be used optionally for signaling and/or switching Additional fire protection can be implemented using the monitoring system. I202_16044 RCM analog RCM digital RCM digital, 4 channels Standards EN 62020, IEC Rated operational voltage U e V AC 230 Frequency Hz 50/60 Rated residual current Dn Ι Type A A Type AC A Response time t v s , INS, SEL 1) , INS, SEL 1) Relay contacts 1 alarm 1 alarm, 1 tripping operation 1 alarm, 4 tripping operation Rated voltage V AC Rated current A Summation current transformer mm Test/Reset Yes/Yes External tripping operation/external reset --/Yes Yes/Yes Yes/Yes Mounting width MW Degree of protection Contacts IP20 Front IP41 Operating temperature C ) INS: instantaneous, SEL: selective. Siemens LV /9

10 Monitoring Devices for Electrical Values 5SV8 residual current monitors Selection and ordering data Siemens AG 20 Rated operational voltage Rated residual current Response time Mounting width DT Order No. Price U e I Δn t v V AC A s MW kg RCM analog 230, 50/60 Hz (Type A) (Type AC) B 5SV KK 1 1 unit RCM digital 230, 50/60 Hz (Type A) (Type AC) , 3 B 5SV KK 1 1 unit INS, SEL 1) RCM digital, 4 channels 230, 50/60 Hz (Type A) (Type AC) , 3 B 5SV KK 1 1 unit INS, SEL 1) 1) INS: instantaneous, SEL: selective. Internal diameter DT Order No. Price Summation current transformer Including holder for standard mounting rail mm 20 B 5SV KK 1 1 unit B 5SV KK 1 1 unit kg Including holder for wall mounting 1) 35 B 5SV KK 1 1 unit B 5SV KK 1 1 unit B 5SV KK 1 1 unit Including holder for wall mounting 140 B 5SV KK 1 1 unit B 5SV KK 1 1 unit Holders for standard mounting rails B 5SV KK 1 2 units Suitable for summation current transformer with internal diameter of 20 mm, 30 mm, 35 mm, 70 mm and 105 mm 1) Mounting on standard mounting rail with optional holder for standard mounting rail also possible. /10 Siemens LV * You can order this quantity or a multiple thereof.

11 Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 5TT3 voltage relays Overview Voltage relays are used for device and plant protection, supplying safety light devices and the detection of N-conductor breaks and short-time voltage interruptions. They are available as undervoltage, overvoltage and under/overvoltage relays. The devices are equipped with different functions, depending on their intended use, and comply with the pertinent regulations. Technical specifications Benefits Complete voltage protection in a compact design for overvoltage and undervoltage monitoring in a single device Plants and devices are reliably and easily protected by phasefailure relays Overvoltages and consequential damage due to high voltages are prevented through N-conductor monitoring Asymmetry monitoring in the voltage relay also protects threephase AC motors against operation with voltage skew. 5TT TT TT TT TT TT TT TT TT3 403 Standards IEC 60255; IEC Rated control voltage U c V AC 230/ Operating range (overload capability) U c Rated frequency Hz 50/60 Response values ON-switching U c 0.9/ % hysteresis OFF-switching 0.7/ Minimum contact load V; ma 10; 100 Phase asymmetry Setting accuracy % -- Approx Approx Repeat accuracy % Phase failure detection At L1 or L2 or L3 ms N-conductor monitoring -- Yes -- Rated insulation voltage U i Between coil/contact kv 4 Contacts μ contact (AC-11) A 4 Electrical isolation Creepage distances and clearances Actuator/contact mm Rated impulse withstand voltage U imp Actuator/contact kv > 2.5 > 4 Terminals ±screw (Pozidriv) 1 Conductor cross-sections Rigid, max. mm Flexible, with end sleeve, min. mm Permissible ambient temperature C Resistance to climate According to EN /60/4 5TT3 196 Standards IEC Rated control voltage U c V DC 24 Rated power dissipation P v Coil/drive VA 0.6 Contact 1) per pole VA 0.8 Hysteresis % 4 Response values U c Undervoltage Undervoltage 0.82 Overvoltage Overvoltage 1.18 Residual ripple tripping ΔU c Infinitely variable % Overload capability 33 V DC Continuous 35 V DC ms V DC ms 10 Creepage distances and clearances mm 4 Rated impulse withstand voltage U imp Input/output kv > 2.5 Minimum contact load V/mA 24/300 Rated operational current I e AC-11 A 1 AC-1 A 4 Contacts μ contact Electrical service life In switching cycles at I e Terminals +/-screw (Pozidriv) 1 Conductor cross-sections Rigid, max. mm Flexible, with end sleeve, min. mm Permissible ambient temperature C Resistance to climate According to EN /60/4 1) For rated operational current. Siemens LV /11

12 Monitoring Devices for Electrical Values 5TT3 voltage relays Siemens AG 20 Standards IEC 60255; IEC Rated control voltage U c V AC 230/400 5TT TT TT3 410 Operating range (overload capability) U c Rated frequency Hz 50/60 Back-up fuse Terminals L1/L2/L3 A 2 Response values Overvoltage: OFF-switching U c ON-switching -- 4 % hysteresis -- Undervoltage: OFF-switching U c ON-switching % hysteresis -- Minimum contact load V; ma 10; 100 Phase asymmetry Setting accuracy % Approx Repeat accuracy % 1 Phase failure detection At L1, L2 or L3 ms OFF delay s Automatic reclosing delay s Rated insulation voltage U i Between coil/contact kv 4 Contacts μ contact (AC-11) A Electrical isolation Creepage distances and clearances Contact/contact mm Actuator/contact mm Rated impulse withstand voltage U imp Actuator/contact kv > 4 Rated operational power P s AC operation: 230 V and p.f. = 1 VA V and p.f. = 0.4 VA DC operation: U e = 24 V and I e = 6 A W max U e = 60 V and I e = 1 A W max U e = 110 V and I e = 0.6 A W max U e = 220 V and I e = 0.5 A W max Terminals ±screw (Pozidriv) 1 Conductor cross-sections Rigid, max. mm Flexible, with end sleeve, min. mm Permissible ambient temperature C Humidity class Acc. to IEC F 5TT TT3 4 5TT TT3 415 Rated control voltage U c V AC /400 Overload capability U c Rated frequency Hz 50/60 Response values ON-switching 2 % hysteresis 4 % hysteresis 5 % OFF-switching U c Minimum contact load V/mA 10/100 Phase failure detection At L1, L2 or L3 ms N-conductor monitoring -- Yes -- Rated insulation voltage U i Between coil/contact kv 4 -- Contacts AC-15 NO contacts AC-15 NC contacts AC-15 CO contacts Electrical service life in switching cycles AC-15, 1 A, 230 V AC Rated impulse withstand voltage Acc. to IEC kv 4 6 Pollution degree 2 2 Terminals ±screw (Pozidriv) 2 -- screw (slot) Conductor cross-sections Rigid mm x 4 Flexible, with end sleeve mm x 2.5 Permissible ambient temperature C Resistance to climate Acc. to EN /060/04 / Siemens LV

13 Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 5TT3 voltage relays Selection and ordering data Contacts U e I e U c Mounting width DT Order No. Price V AC A V MW kg Overvoltage relays For the monitoring of 1, 2 or 3 phases against N, switching thresholds: U c, 4 % hysteresis, adjustable 2 CO /400 AC 2 B 5TT unit For the monitoring of 3 phases against N, with N-conductor monitoring, switching thresholds: U c, 4 % hysteresis, adjustable 2 CO /400 AC 2 B 5TT unit TT3 194 Direct voltage monitors For monitoring a 24-V direct voltage system; undervoltage U from = 0.82 overvoltage U from = 1.18 residual ripple 0 % %, adjustable 1 NO and 1 NC, DC 1 B 5TT unit TT TT TT TT4 404 Undervoltage relays For the monitoring of 1, 2 or 3 phases against N, with phase failure detection, Switching thresholds: 0.7 and 0.9 x U c, not adjustable 1 CO /400 AC 1 } 5TT unit CO /400 AC 2 } 5TT unit Switching thresholds: U c, 5 % hysteresis, adjustable 2 CO /400 AC 2 A 5TT unit For the monitoring of safety light devices of 1, 2 or 3 phases against N, with phase failure detection, switching thresholds: 0.85 and 0.95 x U c, not adjustable 1 CO /400 AC 1 } 5TT unit For the monitoring of 3 phases against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring Switching thresholds: 0.7 and 0.9 x U c, not adjustable 2 CO /400 AC 2 B 5TT unit Switching thresholds: U c, 5 % hysteresis, adjustable 2 CO /400 AC 2 B 5TT unit For monitoring of safety light devices of 3-phases against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring, switching thresholds: 0.85 and 0.95 x U c, not adjustable 2 CO /400 AC 2 B 5TT unit For the monitoring of 1, 2 or 3 phases against N, switching thresholds: 0.85 x U c, not adjustable response delay 0.5 s off-delay 60 s 1 CO N /400 AC 1 C 5TT unit With TEST pushbutton 2 CO N /400 AC 1 C 5TT unit TT3 414 * You can order this quantity or a multiple thereof. Siemens LV /13

14 Monitoring Devices for Electrical Values 5TT3 voltage relays Siemens AG 20 Contacts U e I e U c Mounting width DT Order No. Price V AC A V AC MW kg Short-time relays For the monitoring of short-time failure detection 20 ms of 1, 2 or 3 phases against N, with phase failure detection and N-conductor monitoring, switching thresholds: U c, not adjustable 2 CO /400 2 B 5TT unit TT3 407 Under and overvoltage relays For the monitoring of 3 phases against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring and adjustable time delay of s, switching thresholds: Undervoltage: U c, 4 % hysteresis, adjustable Overvoltage: U c, 4 % hysteresis, adjustable 2 CO /400 2 B 5TT unit TT3 408 N-conductor monitors With asymmetry detection and N-conductor monitoring 2 CO /400 2 B 5TT unit TT TT3 411 Voltage relays for undervoltage monitoring of medical premises Single-phase against N with test button, switching thresholds: 0.9 U n, 2 % hysteresis 2 NO + 2 NC C 5TT unit Single, two or three-phase against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring, and one test button each for the phases, switching thresholds: 0.9 U n, 4 % hysteresis 1 CO, 1 NO, 1 NC /400 4 C 5TT unit /14 Siemens LV * You can order this quantity or a multiple thereof.

15 Overview Current relays monitor single and three-phase systems for the flow of current, e.g. in emergency lighting installations, and the loading of motors. They are available as undercurrent, overcurrent and under/overcurrent relays. Technical specifications Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 5TT3 current relays Benefits Devices with an extremely broad range of applications of minimum 0.1 A to maximum 15 A without transformer Permanent overload capability up to 20 A or 30 A max. for up to 3 seconds, protect the function against uncontrolled plant states and increase plant availability Range changing enables the precise setting of current values through a high resolution Ultra compact current relays require only the smallest of spaces and save costs 5TT TT6 1 Standards IEC Rated control current I c A Rated control voltage U c V AC 230 Primary operating range U c Overload capability, continuous A 15 Overload capability, short-time At 50 C ambient A 20 temperature max. 3 s Rated frequency Hz 50/60 Response values ON-switching Infinitely variable OFF-switching permanent, 4 % hysteresis Switching delay t v Infinitely adjustable s Response time Non-adjustable ms Current corresponds to the rated operational power of the continuous-flow heater Minimum contact load V; ma 10; 100 Rated insulation voltage U i Between coil/contact kv 2.5 Contacts μ contact (AC-15) NO contacts A 3 NC contacts A 1 Electrical isolation Creepage distances and mm 3 Actuator/contact Rated impulse withstand voltage U imp Actuator/contact kv > 4 Terminals ±screw (Pozidriv) 1 Conductor cross-sections Rigid max. mm Flexible, with end sleeve min. mm Permissible ambient temperature C Resistance to climate According to EN /60/4 5TT TT TT TT6 0 Standards IEC Rated control current I c 4 ranges 1 range A A A A Rated control voltage U c V AC 230 Primary operating range U c Overload capability, continuous A Overload capability independent A 30 of measuring range max. 3 s Rated frequency Hz 50/60 Response values ON-switching Infinitely variable OFF-switching permanent, 4 % hysteresis Switching delay t v Infinitely adjustable s Response time Non-adjustable ms see: Minimum contact load V; ma 10; 100 Rated insulation voltage U i Between coil/contact kv 2.5 Contacts μ contact (AC-15) NO contacts A 5 NC contacts A 1 Electrical isolation Creepage distances and mm 3 actuator/contact Rated impulse withstand voltage U imp Actuator/contact kv > 4 Terminals ±screw (Pozidriv) 1 Conductor cross-sections Rigid max. mm Flexible, with end sleeve min. mm Permissible ambient temperature C Resistance to climate According to EN /60/4 Siemens LV /15

16 Monitoring Devices for Electrical Values 5TT3 current relays Siemens AG 20 Selection and ordering data Contacts U e I e Measuring range Mounting width DT Order No. Price V AC A A AC MW kg Current relays for single-phase loads up to 230 V AC, auxiliary voltage and measuring circuit not isolated Undervoltage monitoring, single-phase 1 CO B 5TT unit Overcurrent monitoring, single-phase 1 CO B 5TT unit Current relays for single-phase loads up to 230 V AC, auxiliary voltage and measuring circuit, galvanically isolated Undervoltage monitoring, single-phase 2 CO ranges 2 B 5TT unit Overcurrent monitoring, single-phase 2 CO ranges 2 B 5TT unit Over/undervoltage monitoring, single-phase 2 CO ranges 2 B 5TT unit Current relays for three-phase loads for V AC, separate signal with N-wire connection Over/undervoltage monitoring, three-phase 2 CO contacts each for overcurrent/undercurrent respectively B 5TT unit /16 Siemens LV * You can order this quantity or a multiple thereof.

17 Monitoring Devices for Electrical Values 5TT6 priority switches Overview Benefits In the mixed operation of electric hot water and electric storage Reduction of the connection fee, which depends on the maximum load to be supplied (BTO, German Federal Regulation on heaters, the priority switch interrupts the charging procedure of the storage heater if hot water is required during the low-tariff Tariffs 6 Section 4), when used in systems with continuous-flow time, thus limiting the connected load in compliance with heaters and electric storage heaters where the continuous-flow BTO 6. The control circuit terminals must be sealable. heaters are switched with priority. Technical specifications Siemens AG 20 5TT TT TT6 103 Standards EN 60669, BTO 6 Section 4 Rated control current I c A (Current corresponds to the rated operational power of the continuous-flow heater). Rated frequency Hz 50 Response currents A (Continuous rise not permissible) Rated operational power For continuous-flow heaters Up to 230 V AC kw Up to V AC kw Rated impulse withstand voltage U imp kv > 2.5 Rated operational voltage U e V AC 250 Rated operational current I e At U e = 230 V AC A 1 Terminals ±screw (Pozidriv) 1 Conductor cross-sections Coil For conductor crosssections mm 2 10 up to Contacts For conductor crosssections mm up to Permissible ambient temperature C Resistance to climate Acc. to DIN FW 24 Selection and ordering data 5TT6 101 U e I e Response currents Mounting width DT Order No. Price V AC A A MW kg Priority switches For continuous-flow heaters up to 27 kw } 5TT unit For continuous-flow heaters up to 33 kw B 5TT unit For electronically controlled continuous-flow heaters up to 27 kw } 5TT unit * You can order this quantity or a multiple thereof. Siemens LV /17

18 Monitoring Devices for Electrical Values 5TT3 fuse monitors Overview Fuse monitors serve to monitor all types and versions of melting fuses that cannot be equipped with a fault signal contact. This enables integration in fault signaling circuits or a central alarm in order to improve plant availability. Technical specifications Siemens AG 20 Benefits Increase in plant availability, because fuse failures which could cause considerable damage to the plant are detected in plenty of time. A fuse failure is detected even if the load is switched off. This ensures the highest level of plant availability. 5TT3 170 Standards IEC 60255; IEC Rated control voltage U c V 3 AC Primary operating range U c Rated frequency Hz Internal resistance of measuring paths Ω/V > 1000 Max. permissible rear feed % 90 Response/release time ms < 50 Rated impulse withstand voltage U imp kv > 4 Input/output Rated operational voltage U e V AC 250 Rated operational current I e AC-1 A 4 Electrical service life AC-11 in switching cycles at 1 A Terminals ±screw (Pozidriv) 1 Conductor cross-sections Rigid, max. mm Flexible, with end sleeve, min. mm Permissible ambient temperature C Resistance to climate According to EN /45/4 Selection and ordering data U e I e U c Mounting width DT Order No. Price V AC A 3 V AC MW kg Fuse monitors For all low-voltage fuse systems. Can be used in asymmetric systems afflicted with harmonics and regenerative feedback motors. Signal also for disconnected loads } 5TT unit /18 Siemens LV * You can order this quantity or a multiple thereof.

19 Overview Phase monitors monitor the voltages in three-phase system and signal the power failure of one or more phases over a floating contact. Phase sequence monitors monitor the phase sequence in three-phase systems and signal any changes in the phase sequence change of rotating field over a floating changeover contact. Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 5TT3 phase and phase sequence monitors Benefits The three-phase LED display in the phase monitor and the LED display in the phase sequence monitors provide constant information on the switching state of the plant The compact design in 1 MW saves space. Technical specifications 5TT TT3 423 Standards IEC Rated control voltage U c V AC 230/ Primary operating range U c Rated frequency Hz 50/60 Rated power dissipation P v Electronics VA 9 Contacts VA 0.2 Rated operational voltage U e V AC 250 Rated operational current I e A 4 Minimum contact load V; ma 10; 100 Rated insulation voltage U i Between coil/contact kv 4 Contacts μ contact (AC-11) A 3 Electrical isolation Creepage distances and clearances Actuator/contact mm 4 Rated impulse withstand voltage U imp Actuator/contact kv > 2.5 Terminals ±screw (Pozidriv) 1 Conductor cross-sections Rigid, max. mm Flexible, with end sleeve, min. mm 2 Degree of protection Acc. to EN IP20, with connected conductors Safety class Acc. to EN 61140/VDE II Permissible ambient temperature C Resistance to climate Acc. to EN /60/4 Selection and ordering data Contacts U e I e U c Mounting width DT Order No. Price V AC A V AC MW kg Phase monitors With 3 green LEDs for 3 phases 1 CO /400 1 } 5TT unit Phase sequence monitors With one green LED, which lights up for right-rotating field 1 CO } 5TT unit * You can order this quantity or a multiple thereof. Siemens LV /19

20 Monitoring Devices for Electrical Values 5TT3 insulation monitors for industrial applications Siemens AG 20 Overview Insulation monitors are used for protection of persons and against fire in non-grounded systems (IT systems). The insulation resistance of the system being monitored is measured against ground. These types of measurements are specified according to DIN VDE Power installations up to 1000 V Protection against electric shock. Technical specifications 5TT TT3 471 Power supply U c V AC V DC Primary operating range With AC supply U c For DC supply V DC Frequency range for U c Hz Rated power dissipation P v VA Approx For DC supply W -- Approx. 1 Rated impulse withstand voltage U imp Terminals A1 to A2 kv < 4 < 4 Terminals L to kv < 4 < 4 Terminals A1, A2 to L, kv < 4 < 3 Terminals against contacts kv < 6 < 6 Measuring circuit For three-phase and AC systems For direct voltage systems Measurement voltage range U meas V AC V DC Primary operating range U meas Frequency range for U meas Hz Alarm values Measuring shunt R AL kω Setting of alarm value On absolute scale Infinitely variable Infinitely variable Alternating current internal resistance Internal testing resistor kω > Direct current internal resistance Internal testing resistor kω > L+ and L- to kω each Measurement voltage U meas Internal V DC Approx Max. measurement current I meas Short circuit ma < depending on the voltage Direct interference voltage Max. permissible V DC Response delay At R AL 50 kω and 1 μf and up to 0.9 x R meas s < and R meas from to 0 Ω s < Switching hysteresis at R meas 50 kω % Contacts μ contact 2 CO 2 CO Rated operational voltage U e V AC Rated operational current I s Thermal current limit I th A 4 4 DC-13 at 24 V DC A -- 2 DC-13 at 250 V DC A AC-15 A -- 3 AC-15 NO contacts A 5 -- AC-15 NC contacts A 2 -- Terminals ±screw (Pozidriv) 2 2 Conductor cross-sections Rigid, max. mm Flexible, with end sleeve, min. mm Permissible ambient temperature C Degree of protection Terminals (acc. to EN 60529) IP20 Enclosure (acc. to EN 60529) IP40 Resistance to climate Acc. to EN /060/04 Selection and ordering data Contacts U c U e Measuring range Mounting width DT Order No. Price V AC V kω MW kg Insulation monitors for monitoring insulation resistance in nongrounded three-phase and AC systems from Hz against ground 2 CO V AC B 5TT unit For monitoring the insulation resistance in nongrounded DC systems against ground 2 CO V DC B 5TT unit /20 Siemens LV * You can order this quantity or a multiple thereof.

21 Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 7LQ3 monitors for medical premises Overview In areas that conform to Group 2 of DIN VDE , any interruption to the examination and/or treatment of patients would place those patients at risk. Limit monitoring This is prevented through the use of changeover and monitoring units. These monitor the insulation resistance of the nongrounded IT system, the load current and the temperature of the transformer. If the limit value is exceeded, the insulation monitor gives out a warning signal. Voltage monitoring In addition, a special voltage relay monitors the voltage of the power supply and switches to a second power supply if it falls below the specified limit values. Benefits TÜV-certified switchover device with increased functionality Plant state signal over contacts No specific manufacturer's bus system Easy operation over potentiometers as the set limit value is always visible Easy to integrate in existing plants, including plants from other manufacturers. Technical specifications Switchover device 7LQ LQ3 362 Standards IEC ; DIN VDE Power supply U v V AC /400 Primary operating range U v Supply frequency f v Hz Insulation coordination IEC Rated impulse withstand voltage kv 4 Pollution degree 3 Power loss max. P v W 10.7 Power section Contactors Mechanically latched; mechanically and electrically locked Rated operational current acc. to DIN VDE A Rated operational current AC-3 A Short-circuit protection acc. to DIN VDE Max. backup protection gg A 63 Switchover time s Measuring circuit insulation monitoring Response value R resp kω 50 Response deviation DIN VDE Response time t on at R on = 50 kω, C e = 1 μf R F from to 0.5 R to s < 1.3 R F from to 0 kω s < 0.7 Hysteresis % 15 Measurement voltage U m V DC Approx. 15 Measurement current I m max (at R F = 0 Ω) µa < 50 Internal resistance DC R i kω > 250 Impedance Z i at 50 Hz kω > 250 Permissible direct interference voltage U fg V DC < 300 Test button External/internal Measuring circuit load current monitoring Response value, A 5 50 adjustable with external transformer 50/5 A, Class 1 Hysteresis % 4 Temperature influence %/ C 0.05 Time delay t v, adjustable s Measuring circuit temperature monitoring Response value kω Release value kω PTC thermistor Acc. to DIN 44081/44082 Unit(s) 1 6 in series Measuring circuit, voltage monitoring Response values ON-switching 2 % hysteresis 4 % hysteresis OFF-switching U c Phase failure detection At L1, L2 or L3 ms N-conductor monitoring -- Yes Siemens LV /21

22 Monitoring Devices for Electrical Values 7LQ3 monitors for medical premises Siemens AG 20 Connection Terminals Load circuit Feeder terminals mm² Output terminals Communication Status signals mm² 2.5 Fault indications Environmental conditions Permissible ambient temperature C Mounting position Switchover device 7LQ LQ3 362 Vertical Standards EN Power supply U v V AC 230 Primary operating range U v Supply frequency f v Hz Power loss max. P v VA Approx. 7 Rated system voltage U n (measuring circuit) V AC Rated frequency f n Hz EMC immunity to interference IEC EMC emitted interference IEC Insulation coordination IEC Rated impulse withstand voltage kv 4 Pollution degree 3 Insulation monitors 7LQ LQ3 355 Flammability class UL 94V-0 Measuring circuit insulation monitoring Response value R resp kω Response deviation DIN VDE Response time t on at R on = 50 kω, C e = 1 μf R F from to 0.5 R on s < 1.3 R F from to 0 kω s < 0.7 Hysteresis % 15 Measurement voltage U m V DC Approx. 15 Measurement current I m max (at R F = 0 Ω) µa < 50 Internal resistance DC R i kω > 250 Impedance Z i at 50 Hz kω > 250 Permissible direct interference voltage U fg V DC < 300 Measuring circuit load current monitoring Response value, A 5 50 adjustable with external transformer 50/5 A, Class 1 Hysteresis % 4 Temperature influence %/ C 0.05 Time delay t v, adjustable s Measuring circuit temperature monitoring Response value kω Release value kω PTC thermistor Acc. to DIN 44081/44082 Unit(s) 1 6 in series Display and control elements Operating error Acc. to IEC LED display Current and temperature monitoring One red and one green LED Ready-to-run Green Insulation fault Red Line breakage monitoring of the isolation measuring circuit Red Display of current insulation resistance step LED chain Pushbuttons Test and Reset /22 Siemens LV

23 Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 7LQ3 monitors for medical premises Insulation monitors 7LQ LQ3 355 Output relay Contacts for Overtemperature 2 CO contacts Overload 2 CO contacts Insulation fault 2 CO contacts Mode of operation Contacts AC 15 NO contacts A AC/V AC 3/230 AC 15 NC contacts A AC/V AC 1/230 Working current Electrical service life 15 AC, 1 A, 230 V AC Switching cycles Thermal current A AC 5 Connection Terminals ±screw (Pozidriv) 2 Conductor cross-sections Rigid mm Insulation fault Flexible, with end sleeve mm Environmental conditions Permissible ambient temperature C Resistance to climate Acc. to EN /060/04 Degree of protection Acc. to EN IP20, with connected conductors Mounting position Any Vibration stress Acc. to IEC Amplitude mm 0.35 Frequency Hz Test and signaling panels 7LQ LQ3 357 Standards DIN VDE ; IEC Rated voltage U n V AC/DC 24 Rated impulse withstand voltage Acc. to IEC kv 4 Voltage range AC x U n DC x U n Rated current per input ma 0.25 Rated consumption VA 6 Rated operating mode Continuous operation Pollution degree Acc. to IEC Degree of protection Enclosures Acc. to IEC/EN IP40 Terminals Acc. to IEC/EN IP20 Flammability class UL 94V-0 Vibration strain Acc. to IEC/EN Amplitude mm 0.35 Frequency Hz Resistance to climate Acc. to IEC/EN /045/04 Terminal marking EN Wire connections Solid mm mm Strand mm mm Strand with sleeve mm Conductor mounting Box terminals with wire protection Device dimensions mm Temperature range C Siemens LV /23

24 Monitoring Devices for Electrical Values 7LQ3 monitors for medical premises Siemens AG 20 Current transformer Class 1 7LQ3 358 Standards IEC/EN Rated control voltage U c V AC 230 Rated frequency Hz 50/60 Test voltage 50 Hz, 1 min kv 3 Rated transmission ratio k n A 50/5 Primary rated current A 50 Secondary rated current A 5 Rated power V/A 1.5 Class 1 Rated frequency Hz Highest voltage at equipment / insulation level kv 0.72/3 Overcurrent factor FS5 Thermal rated short-time current I n 60 Thermal rated continuous current I n 1.2 Expanded current range % 0 Permissible ambient temperature C Test and signaling combination for insulation monitors 7LQ3 360 Standards DIN VDE ; IEC Rated voltage U n V AC 24 Voltage range AC U n Connected load W 0.5 Rated operating mode Continuous operation EMC Static discharge Acc. to IEC/EN kv 8 (air discharge) RF irradiation Acc. to IEC/EN V/m 10 Rapid transients Acc. to IEC/EN kv 2 Surge voltage (surge) Acc. to IEC/EN kv 1 Degree of protection Amplitude mm 0.35 Frequency Hz Temperature range C Resistance to climate Acc. to IEC/EN /055/04 Terminal marking EN Wire connections Solid mm Strand with sleeve and plastic collar mm Strand with sleeve and plastic collar DIN /-2/-3/-4 mm Strand with sleeve DIN /-2/-3 mm Conductor mounting Device dimensions mm IP30 Box terminals with wire protection /24 Siemens LV

25 Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 7LQ3 monitors for medical premises Voltage relays 5TT TT3 4 Rated control voltage U c V AC /400 Overload capability U c Rated frequency Hz 50/60 Response values ON-switching 2 % hysteresis OFF-switching U c 0.9 Minimum contact load V/mA 10/100 Phase failure detection At L1, L2 or L3 ms N-conductor monitoring -- Yes Rated insulation voltage U i Between coil/contact kv 4 Contacts AC 15 NO contacts AC 15 NC contacts Electrical service life in switching cycles AC 15, 1 A, 230 V AC Rated impulse withstand voltage Acc. to IEC kv 4 Pollution degree 2 Terminals ±screw (Pozidriv) 2 Conductor cross-sections Rigid Flexible, with end sleeve mm 2 mm Permissible ambient temperature C Resistance to climate Acc. to EN /060/04 4 % hysteresis 0.9 IT line transformer 4AT3/4AT4 In the case of isolating transformers used to set up medical IT systems, overcurrent protective devices are only permissible as protection against short circuits. To protect the isolating transformers against overload they are fitted with monitoring devices that signal an excessive rise in temperature (e. g. 7LQ3 354 insulation monitors). Standards EN Safety class I Static shield between primary and secondary winding With insulated connection Thermistor transformer protection Warning in the event of thermal overload 1) Insulation monitoring With center tap Short-circuit voltage u z % 3 No-load supply current i 0 % 3 Starting current (rush), max. x I 1N 8 Rated ambient temperature t a /Thermal Class 55 C/H 1) Tripping units must be ordered separately. Siemens LV /25

26 Monitoring Devices for Electrical Values 7LQ3 monitors for medical premises Siemens AG 20 Selection and ordering data Version U e I e U c Mounting width DT Order No. Price V AC A V AC MW kg Switchover device according to VDE for medical premises 2-pole, for medical premises of Group 2, for switching over two redundant supply leads, monitoring of IT system and the IT line transformer, up to 8 kva D 7LQ unit pole, for use with symmetric loads /400 D 7LQ unit Insulation monitors With load current and temperature monitoring for medical premises B 7LQ unit With load current and temperature monitoring of medical premises with adjustable response value of kω and output for 7LQ3 360 test and signaling combination } 7LQ unit Test and signaling panels For switchover devices, 24 V AC/DC, 50/60 Hz Surface mounting B 7LQ unit Flush mounting B 7LQ unit /26 Siemens LV * You can order this quantity or a multiple thereof.

27 Siemens AG 20 Monitoring Devices Monitoring Devices for Electrical Values 7LQ3 monitors for medical premises Version U e I e U c Mounting width DT Order No. Price V AC A V AC MW kg Test and signaling combination for insulation monitors 24 V AC 50/60 Hz B 7LQ unit Current transformer 50A/5A AC Class 1 With base angle 230 } 7LQ unit Voltage relays for undervoltage monitoring of medical premises Single-phase against N with test button, switching thresholds: 0.9 U n, 2 % hysteresis 2 NO + 2 NC C 5TT unit Single, two or three-phase against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring, and one test button each for the phases, switching thresholds: 0.9 U n, 4 % hysteresis 1 CO, 1 NO, 1 NC /400 4 C 5TT unit Accessories SIRIUS 4AT isolating transformers Further information on SIRIUS 4AT isolating transformers can be found in Catalog IC Rated power P n Voltage rise during noload operation u A Rated voltages Input U 1N Output U 2N Short-circuit protection for the transformer With fuse, operational class gg With circuit breaker Type Set value DT 1) Order No. kva % V V A A kg kg Isolating transformer IP00 degree of protection RV CA10 21 X 4AT30-1TA71-3MA0 1 1 unit 4M RV EA10 26 X 4AT TA71-3MA0 1 1 unit 4M RV EA10 29 X 4AT36-1TA71-3MA0 1 1 unit 4M RV FA10 36 X 4AT TA71-3MA0 1 1 unit 4M RV GA10 40 X 4AT39-1TA71-3MA0 1 1 unit 4M RV JA10 49 X 4AT TA71-3MA0 1 1 unit 4M Degree of protection IP RV CA10 21 X 4AT30-1TA71-3MC0 1 1 unit 4M RV EA10 26 X 4AT TA71-3MC0 1 1 unit 4M RV EA10 29 X 4AT36-1TA71-3MC0 1 1 unit 4M RV FA10 36 X 4AT TA71-3MC0 1 1 unit 4M RV GA10 40 X 4AT39-1TA71-3MC0 1 1 unit 4M RV JA10 49 X 4AT TA71-3MC0 1 1 unit 4M ) Delivery time depends on the number of units ordered, the specified delivery time applies to an order quantity of up to 5 units. Cu weight * You can order this quantity or a multiple thereof. Siemens LV /27

28 Monitoring Devices for Plants and Equipment 5TT3 fault signaling units Overview Fault signaling units are used in small plants where the installation of complex fault signaling systems would be too labor-intensive and too expensive. In the event of a fault, they enable fast fault localization of all monitoring devices and limit monitors from a central location. This increases plant availability. With the correct sensor configuration, they also provide the option of preventative maintenance. 4 fault signal inputs with LED 1 LED as centralized fault indicator One unit each for centralized fault indication and acoustic signaling With acknowledgment for acoustic indicators Open-/closed-circuit principle to the 4 inputs can be adjusted via jumpers X1 - X2 A maximum of 39 5TT3 461 expansion fault signaling units can be connected to the 5TT3 460 centralized fault signaling unit The maximum possible cable length between 5TT3 460 centralized fault signaling units and 5TT3 461 expansion fault signaling units is 100 m with a conductor cross-section of 1.5 mm 2. Technical specifications Siemens AG 20 Benefits Ultra compact device designs that only require the smallest of spaces in distribution boards The modular design means that it is easy to add devices as your system expands. 5TT TT3 461 Standards IEC 60255; IEC Rated control voltage U c V AC 230 Primary operating range U c Rated frequency f n Hz 50/60 Fault signaling inputs S1... S4 V AC 230 Signal voltage V To terminals S and H Noise pulse duration ms 100 Acknowledgment pulse duration ms 200 Contacts Rated operational voltage U e V AC Rated operational current I e A 5 -- Minimum contact load V; ma 10; Connections Terminals ±screw (Pozidriv) PZ 1 Conductor cross-sections -Rigid, max. mm Flexible, with end sleeve, min. mm Permissible ambient temperature C Humidity class Acc. to IEC F Selection and ordering data U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg Centralized fault signaling units with transparent cap B 5TT unit Expansion fault signaling units with transparent cap B 5TT unit /28 Siemens LV * You can order this quantity or a multiple thereof.

29 Overview EMERGENCY STOP circuits are common safety measures in all laboratory equipment and industrial plants. The EMERGENCY STOP modules used here must meet the most rigorous demands with regard to functional reliability. Benchmark is the degree of self-monitoring. The Directive 98/37/EC on Safety of Machines, valid from , only specifies global safety standards. Details on how to implement individual safety demands are defined in standards, e. g. by the European Committee for Electrotechnical Standardization (CENELEC), which are based on international standards. Siemens AG 20 Monitoring Devices Monitoring Devices for Plants and Equipment 5TT5 EMERGENCY STOP modules Benefits The electrical isolation between electric circuit and control meets the requirements of the standard An LED for the operating and switching state provides constant information on the operating state The safety category 4 to EN expands the application options in many fields Compliance with the regulations according to EC Machine Directive 98/37/EC supports a high safety standard for those working in the plants. Technical specifications 5TT5 200 Standards IEC ; EN (VDE ) Supply Rated control voltage U c V AC Primary operating range U c Rated frequency f n Hz 50 Rated power dissipation P v Coil/drive 3.5 Contact per pole VA 0.8 Control voltage Terminal Y1 V AC/DC 24 Control current Terminal Y1 ma DC 45 Recovery time ms 500 Safety Electrical isolation, creepage distances and clearances, actuator/contact mm 3 Rated impulse withstand voltage U imp drive/contact kv > 4 Contacts Contacts NO contacts AC-15 A 3 NC contacts AC-15 A 2 NO/NC contacts AC-1 A 5 Contact gap mm > 1 Electrical service life AC-15, 2 A, 230 V AC Switching cycles 10 5 Reliable switching frequency Switching 600 cycles/h Vibration resistance Amplitude Acc. to EN Up to 55 Hz mm 0.35 Connections Terminals ±screw (Pozidriv) PZ 1 Conductor cross-sections of main current paths - Rigid Max. mm Flexible, with end sleeve Min. mm Permissible ambient temperature C Resistance to climate Acc. to EN /55/04 Selection and ordering data U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg EMERGENCY STOP modules B 5TT unit * You can order this quantity or a multiple thereof. Siemens LV /29

30 Monitoring Devices for Plants and Equipment 5TT3 level relays Overview Benefits Level relays are used for the monitoring and control of conductive, non-combustible liquids and powders. They ensure overflow and dry run protection. Due to their sensor performance, the devices can also be used for general resistance monitoring. LED displays: Green LED: lights up when operational voltage is applied Yellow LED: lights up if MIN output relay is activated Red LED: lights up if MAX output relay is activated. Technical specifications Siemens AG 20 The measuring range up to 450 kω enables a differentiation between foam and liquid. It also increases the universal application for resistance measurements. Due to its low-frequency, electrically isolated measuring circuit, the device has a high immunity to interference against system coupling, which enables cable lengths of up to 1500 m and suppresses the effects of electrolysis in the liquid The two outputs for minimum and maximum control can also be used for the advance warning and tripping of limit values 3 electrode connections for 1-step and 2-step level control All standard products can be used as electrodes High immunity to interference of the measuring circuit isolated from the system Programmable for open-circuit principle (with bridge X2 CO or closed-circuit principle (without jumper) Separately adjustable delay times for t v min and t v max, 0.2 s to 2 s. 5TT3 435 Standards IEC 60255; IEC Supply Rated control voltage U c V AC Primary operating range U c Rated frequency f n Hz 50/60 Setting range of the liquid level kω Switching point hysteresis of set value At 450 kω % 3 At 2 kω % 6 Voltage temperature influence From set value % < 2 Max. cable length to the Set value kω Electrodes at 100 μf/km 450 m m m m m 3000 Electrode voltage Max. V AC Approx. 10 Electrode current Max. ma AC Approx. 1.5 Response delay Adjustable s OFF-delay Adjustable s Rated operational voltage U e V 250 Rated operational current I e A 5 Test voltage Input/auxiliary circuit kv 4 Input/output circuit kv 4 Auxiliary/output circuit kv 4 Connections Terminals ±screw (Pozidriv) PZ 2 Conductor cross-sections - Rigid Max. mm Flexible, with end sleeve Min. mm Permissible ambient temperature C Resistance to climate According to EN /60/4 /30 Siemens LV

31 Siemens AG 20 Monitoring Devices Monitoring Devices for Plants and Equipment 5TT3 level relays Selection and ordering data U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg Level relays B 5TT unit Immersion electrodes Made of stainless steel, with 13 sealing cap Temperature range C Suitable for pure water in open containers With terminal connection B 5TG /24 units * You can order this quantity or a multiple thereof. Siemens LV /31

32 Monitoring Devices for Plants and Equipment 5TT3 line circuit relays Overview Line circuit relays are used to interrupt circuits and prevent electromagnetic fields in circuits where there are currently no active loads. If the loads are disconnected, and the line circuit relay measures a usage of only 2 to 20 VA - adjustable - it disconnects the cable to the supply voltage and switches over to extra-low voltage. As soon as loads are reconnected, the line circuit relay detects the increase in usage and switches back to the supply voltage. While the line circuit relay switches off any unnecessary system components, it is not a device for ensuring isolation in the sense of safe disconnection. The line circuit relay is unable to detect consumers with electronic power supply units, e. g. electronically controlled vacuum cleaners. It is expedient to connect such devices to a base load resistor (PTC resistor) so that the line circuit relay is reset to supply voltage. Technical specifications Siemens AG 20 Benefits High availability to a wide range of loads, as all resistive, capacitive and inductive loads are detected Adjustable from 2 VA to 20 VA With status display for contact adjustment With switch continuously ON With safety information on stickers for socket outlets and distribution boards. 5TT3 171 Standards IEC 60255; IEC Rated control voltage U c V AC 230 Primary operating range U c Rated frequency Hz 50/60 Rated power dissipation P v Electronics VA 5 Contacts VA 2.6 Monitoring voltage V 3 Response value Adjustable VA Release value % of the response value 70 Rated impulse withstand voltage U imp Input/output kv > 4 Rated operational voltage U e V AC 250 Rated operational current I e AC-1 A 16 AC-11 A 3 Contacts μ contact Electrical service life in switching cycles at 3 A AC Terminals +/-screw (Pozidriv) PZ 1 Conductor cross-sections Rigid Max. mm Flexible, with end sleeve Min. mm Permissible ambient temperature C Degree of protection Acc. to IEC/EN IP20, with connected conductors Safety class Acc. to EN 61140/VDE II Humidity class Acc. to IEC F Selection and ordering data Contacts U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg Line circuit relays For disconnecting the voltage or field circuit of electrical systems even when loads are disabled. 1 NC A 5TT unit Base load resistors for electronic devices With 15-cm connection wires, end sleeves and shrink sleeving C 5TG unit /32 Siemens LV * You can order this quantity or a multiple thereof.

33 Overview Dusk switches are used for the demand-oriented switching of lighting installations for shop windows or paths in order to cut operating costs. A light sensor measures the level of daylight. Switching depends on the desired brightness. A time delay and the switching hysteresis prevent clock-pulse behavior. The sensor must be mounted so that it is not influenced by the lighting feedback. Siemens AG 20 Monitoring Devices Monitoring Devices for Plants and Equipment 7LQ2 dusk switches Benefits The devices 7LQ2 101 and 7LQ2 103 have 2 switching channels that can be set independently of each other. This requires a light sensor dusk switches can be switched parallel to a light sensor. This saves the multiple installation of light sensors in a single system and all dusk switches operate independently of each other and can be adjusted individually. Technical specifications 7LQ LQ LQ LQ TT3 303 Standards EN Rated control voltage U c V AC 230 Primary operating range At 50/60 Hz U c Rated frequency f n Hz Measuring ranges, setting ranges lux Time delay Non-adjustable s 75 ± 25 No 75 ± 25 No 50 Adjustable No ± No ± No Status indication, LED Switching status indication Instantaneous No Switching state OFF Green No Switching state ON Red No Incandescent lamp load W Different phases Actuator/contact permissible Yes No Contact/contact No Yes No Yes No Electrical isolation Creepage distances and clearances Actuator/contact mm 4 No Contact/contact mm No 4 No 4 No Rated impulse withstand voltage U imp Actuator/contact kv > 2.5 No 1.2/50 μs Contact/contact kv No > 2.5 No > 2.5 No Contacts μ contact 1 NO 2 NO 1 NO 2 NO 1 NO Rated operational voltage U e V AC 250 Rated operational current I s - At p.f. = 1 A At p.f. = 0.4 A 4 2 Minimum contact load V; ma 10; 100 Contact switching Closes with approaching Terminals 3/4 5/6 and 9/10 3/4 5/6 and 9/10 No darkness Connections Terminals ±screw (Pozidriv) PZ 1 Conductor cross-sections -Rigid mm Flexible, with end sleeve Min. mm Environmental conditions Permissible ambient temperature -Device C Light sensor C Permissible humidity -Device % < 80 - Light sensor % < Degree of protection Acc. to EN Device IP20, with connected conductors IP54 - Light sensor IP55 IP65 No Safety class Acc. to EN II Siemens LV /33

34 Monitoring Devices for Plants and Equipment 7LQ2 dusk switches Siemens AG 20 Selection and ordering data U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg Dusk switches 1-channel version, Setting range lux with 7LQ2 910 light sensor for surface mounting, IP A 7LQ unit With 7LQ2 911 light sensor, for flush wall mounting, IP B 7LQ unit channel version, Setting range lux with 7LQ2 910 light sensor, for surface mounting IP55, expandable to 24 channels through parallel switching of devices, which can be mutually controlled through a light sensor B 7LQ unit With 7LQ2 911 light sensor, for flush wall mounting IP65 expandable to 24 channels through parallel switching of devices, which can be mutually controlled through a light sensor B 7LQ unit channel version, Setting range lux for surface mounting, IP54, with integrated light sensor C 5TT unit Replacement light sensors With watertight, resistant resin molding material, heat-resistant to 70 C Degree of protection IP55, for 7LQ2 100 and 7LQ2 101, for surface mounting, lux B 7LQ unit Degree of protection IP65, for 7LQ2 102 and 7LQ2 103, for flush wall mounting, lux B 7LQ unit /34 Siemens LV * You can order this quantity or a multiple thereof.

35 Overview The temperature controllers are used for controlling or limiting temperatures in residential and non-residential buildings, as well as in industrial areas. They're used for heating registers, panel and hot air heating and direct floor heating, as a limiting thermostat for air-conditioning systems and cooling systems, control cabinet cooling, etc. as well as for temperature control in humid and dusty rooms. Can also be used for inaccessible room temperature setting for rooms in public buildings, such as schools, dayrooms and comparable applications. Siemens AG 20 Monitoring Devices Monitoring Devices for Plants and Equipment 7LQ2 temperature controllers Benefits Electronic temperature controllers with red/green LED for supply voltage indication, switching status indication and temperature sensor monitoring. This supports the monitoring of safe operation at all times The temperature sensor with the measuring element KTY or a PT100 is monitored for short circuits and interruptions. This protects against unpleasant surprises during operation. Technical specifications 7LQ LQ LQ LQ2 005 Standards EN Rated control voltage U c V AC 230 Primary operating range At 50/60 Hz U c Rated frequency f n Hz Measuring ranges, setting ranges C Switching hysteresis Adjustable C Status indication, LED Switching status indication Actuating voltage Green Switching state ON Red Break or short circuit of the sensor conductor Red flashing Different phases Actuator/contact permissible Yes Electrical isolation Creepage distances and clearances, actuator/contact mm 4 Rated impulse withstand voltage U imp Actuator/contact kv > 2.5 (1.2/50 μs) Contacts μ contact 1 CO Rated operational voltage U e V AC 250 Rated operational current I s - At p.f. = 1 A 16 - At p.f. = 0.4 A 4 Minimum contact load V; ma 10; 100 Contact switching Closes with increasing Terminals 3/4 temperature Connections Terminals ±screw (Pozidriv) PZ 1 Conductor cross-sections -Rigid mm Flexible, with end sleeve Min. mm Environmental conditions Permissible ambient temperature -Device C Temperature sensor C Permissible humidity -Device % 80 - Temperature sensor % Degree of protection Acc. to EN Device IP20, with connected conductors - Temperature sensor IP65 -- Safety class Acc. to EN II Siemens LV /35

36 Monitoring Devices for Plants and Equipment 7LQ2 temperature controllers Siemens AG 20 Selection and ordering data U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg Temperature controllers With KTY 11-6 temperature sensor Adjustment range C, 1 CO B 7LQ unit Adjustment range C, 1 CO B 7LQ unit Adjustment range C, 1 CO B 7LQ unit Temperature controllers without temperature sensor For PT100 measuring element (not included in delivery) Adjustment range C, 1 CO B 7LQ unit KTY 11-6 replacement temperature sensors Safety class IP65, for 7LQ2 001, 7LQ2 002 and 7LQ2 003, encapsulated, with watertight/resistant resin material, with 1 m silicone line, heat-resistant up to 105 C, can be extended up to 100 m 230 B 7LQ unit /36 Siemens LV * You can order this quantity or a multiple thereof.

37 Siemens AG 20 Monitoring Devices Monitoring Devices for Plants and Equipment 5TT3 p.f. monitors Overview The p.f. controllers monitor the phase displacement between current and voltage. Because the phase displacement angle changes with the load of the motor, this measurement method is ideal for the monitoring of asynchronous motors for underload and no-load operation, independent of size. However, in some cases, the p.f. barely changes if the load of the motor changes, e. g. in the case of relatively minor load changes on large-scale motors or single-phase split-pole motors or collector motors. The p.f. controller monitors single and three-phase asynchronous motors up to 5 A (without current transformer) for underload and no-load operation. This is phase-sequence-independent and increases plant availability. Typical applications are fan monitoring in the case of V-belt breakage, pump monitoring in the event of valve closure or dry runs. A current transformer is used for higher rated currents. If the p.f. value set at the p.f. monitor is fallen below for the duration of the set response delay, the output relay switches to the alarm state and the red LED lights up. If it exceeds the p.f. value, the output relay switches back without any significant delay. Adjustable p.f. response value, from 0 to 0.97 Current range up to 8 A LED display for operation and alarm Automatic resetting of alarm. Benefits The ultra compact p.f. controller requires only the smallest of spaces and saves costs. Technical specifications 5TT3 472 Standards IEC/EN 60255, VDE 0435 Rated control voltage U c 3 V AC 400 Primary operating range With AC supply U c Frequency range f n Hz Rated power dissipation P v VA Approx. 11 Rated impulse withstand voltage U imp Against contacts kv < 4 Current measuring circuits For AC systems Current measuring range I meas A AC Short-time load carrying capacity For 2 s A 20 For 0.5 s A 40 Current transformer, Class 3 or better Secondary current A 1 or 5 Setting range Adjustable p.f Response delay Adjustable s Short-circuit strength Fuse 4 A gl A 4 Contacts μ contact 1 CO Rated operational voltage U e V AC 250 Rated operational current I e Thermal current A 4 AC-15 NO contacts A 3 AC-15 NC contacts A 1 AC-13 at 24 V DC A 1 Minimum contact load V; ma 10; 100 Connections Terminals ±screw (Pozidriv) PZ 2 Conductor cross-sections - Rigid Max. mm Flexible, with end sleeve Min. mm Permissible ambient temperature C Resistance to climate Acc. to EN /60/4 Degree of protection Acc. to EN IP20, with connected conductors Selection and ordering data Contacts U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg p.f. controllers For monitoring of the underload of motors up to 5 A AC by making p.f. measurements, setting range p.f. from 0 to CO B 5TT unit * You can order this quantity or a multiple thereof. Siemens LV /37

38 Monitoring Devices for Plants and Equipment 5TT3 motor protection relays Siemens AG 20 Overview Thermistor motor protection relays monitor the thermistors wound in motors. This helps prevent thermal motor overloads, e. g. due to high switching frequency, single-phasing, disabled cooling or excessive ambient temperatures. Up to 6 thermistors in series can be monitored. A conductor break in the sensor conductor will immediately trip the device. The device can also be used for monitoring wound quick-break switches - e. g. bimetal thermostats. This offers all-round motor protection. For the detection of - Temperature limits being exceeded - Wire breaks in sensor circuits 1 input for 1 to 6 thermistors With 2 LEDs green/red for ready-to-run and fault Benefits The test button for the diagnosis of the devices ensures high functional reliability for users The ultra compact thermistor motor protection relay requires only the smallest of spaces. This saves costs Response value: 3.2 to 3.8 kω Release value: 1.5 to 1.8 kω Max. cable length of sensor supply cable NYM is 100 m Remote Reset: over A1/A2 (NC contact) or over X1/X2 (NO contact) LED displays: Green LED: lights up when operational voltage is applied Red LED: lights up in the event of overtemperatures or an interruption in the sensor circuit. A remote reset enables the device to be switched back on again centrally at any time. This increases plant availability. Technical specifications 5TT TT3 432 Standards IEC 60255; IEC Rated control voltage U c V AC 230 Primary operating range U c Rated frequency Hz 50/60 Response value kω Release value kω Minimum contact load V; ma 10; 100 Rated insulation voltage U i Between coil/contact kv 4 Rated impulse withstand voltage U imp Actuator/contact kv >2.5 Contacts μ contact (AC-11) A 3 Rated operational voltage U e V AC 230 Rated operational current I e A 5 Actuator/contact mm 4 Connections Terminals ±screw (Pozidriv) PZ 1 Conductor cross-sections - Rigid Max. mm 2 2 x Flexible, with end sleeve Min. mm 2 1 x 0.5 Permissible ambient temperature C Resistance to climate According to EN /60/4 Selection and ordering data U e I e U c Mounting width DT Order No. Price V AC A AC V AC MW kg Thermistor motor protection relays B 5TT unit With fault storage, reset pushbutton and remote reset B 5TT unit /38 Siemens LV * You can order this quantity or a multiple thereof.

39 Overview Siemens AG 20 N Monitoring Devices Charging Infrastructure for Electric Vehicles CM-100 charging controller acc. to IEC IEC describes the safety requirements which must be met by conductive charging systems for electric vehicles. Standardcompliant AC charging in operating mode 3 requires the SIPLUS ECC1000 CM-100 charging controller, which is permanently installed in a charging station in order to communicate with the electric vehicle via the charging cable. It identifies whether the correct charging cable is connected. If yes, the plug interlock will be activated and a feedback signal sent to the charging controller. A further enable signal, e. g. via a key-operated switch, actuates the 5TT5 Insta contactor for the charging current circuit and the charging operation can start. 7KT1 PAC1500 measuring 5SM3 device RCCB 5SY4 MCB 5TT5 insta contactor 5SD7 surge arrester typ 2 5TT3 CM-100 charging controller I201_18355 Dimension drawings and terminal connection plans can be found in the Service & Support Portal at: Siemens LV /39

40 Charging Infrastructure for Electric Vehicles CM-100 charging controller acc. to IEC Technical specifications Charging controller Standard Acc. to IEC/EN Mode 3 Vehicle communication Charging mode 3 acc. to IEC Number of 1 charging interfaces 5TT KK20 5TT KK20 5TT KK20 5TT KK20 5TT KK20 5TT KK30 Operational voltage V AC V DC Rated frequency Hz 50/60 Rated charging current A /32, switchable Maximum power loss W 6 Surge strength kv 4 Degree of protection IP20 Pollution degree 3 acc. to IEC/EN Overvoltage category II Ambient operating C temperature Storage temperature C Relative humidity % 95 Terminals Removable screw terminals Conductor cross-sections Rigid mm Flexible, with end sleeve mm Relay outputs Number NO contacts 4 Maximum contact load A 0.75 at 110/230 V AC Electrical service life A Switching cycles 1 at 24 V DC at 1 A, inductive load Siemens AG 20 Digital inputs Number 2 Input voltage V Display 1 status LED Mounting / mounting position Vertical, on horizontal mounting rail N 16 Selection and ordering data Operational voltage Rated charging current DT Order No. Price V AC V DC A kg SIPLUS ECC1000 CM-100 charging controller A 5TT KK unit A 5TT KK unit A 5TT KK unit A 5TT KK unit /32, switchable A 5TT KK unit A 5TT KK unit /40 Siemens LV * You can order this quantity or a multiple thereof.

41 Overview Siemens AG 20 N Monitoring Devices Charging Infrastructure for Electric Vehicles CM-230 charging controller acc. to IEC CM-230 stand-alone version This charging controller with Ethernet connection is used for home and public charging applications. A web interface lets you change the parameters of the controller and call up information on the current status of the charging operation. CM-230 managed version This charging controller with Ethernet connection is used for complex public charging applications. The controller is typically used as a remote I/O module in combination with further charging controllers that are integrated via Ethernet in a higher-level control system. The managed version offers system integrators/operators greater flexibility, such as the individual control of free I/O modules. A function block (FB) is available for connecting to SIMATIC control systems. Technical specifications Charging controller 6FE CM10-1AA0 6FE CM10-2AA0 Managed version Stand-alone version Standards Acc. to IEC/EN Mode 3 Vehicle communication Ethernet Operational voltage V DC 24 Rated charging current A (adjustable via web interface) Support of load management Yes Integrated sensors Yes; temperature and humidity Degree of protection IP20 Pollution degree Acc. to IEC/EN Ambient temperature C Terminals Removable screw terminals Conductor cross-sections Rigid mm Flexible, with end sleeve mm Mounting / mounting position Vertical, on horizontal mounting rail Selection and ordering data Operational voltage Rated charging current DT Order No. Price V DC A kg SIPLUS ECC2000 CM-230 charging controller (adjustable X 6FE CM10-1AA0 1 1 unit via web interface) X 6FE CM10-2AA0 1 1 unit * You can order this quantity or a multiple thereof. Siemens LV /41