Devices raised mounting Illuminated pushbutton actuator Illuminated pushbutton actuator Front protection Switching system Contacts Diode (1N 47) Switching action Terminals b 18 x 18 mm Typ-Nr. a 18 x 24 mm Typ-Nr. Ø 18 mm Typ-Nr. Component layout Mounting dimensions Technical drawing IP 4 LL 1 NC - MA UT 31-486.36 31-466.36 31-476.36 4 1 3 14.7 M UT 31-456.36 31-426.36 31-436.36 4 1 3 28.7 1 NC + 1 NO - MA UT 31-483.36 31-463.36 31-473.36 4 1 3 17.7 M UT 31-453.36 31-423.36 31-433.36 4 1 3 31.7 1 NO - MA UT 31-485.36 31-465.36 31-475.36 4 1 3 16.7 M UT 31-455.36 31-425.36 31-435.36 4 1 3 3.7 2 NC - MA UT 31-482.36 31-462.36 31-472.36 4 1 3 15.7 M UT 31-452.36 31-422.36 31-432.36 4 1 3 29.7 2 NO - MA UT 31-481.36 31-461.36 31-471.36 4 1 3 18.7 M UT 31-451.36 31-421.36 31-431.36 4 1 3 32.7 SA 1 NC + 1 NO 1 D MA UT 31-717.292 31-713.292 31-747.292 4 1 11 11.8 M UT 31-79.292 31-75.292 31-743.292 4 1 11 25.8 2 D MA UT 31-718.292 31-714.292 31-748.292 4 1 11 12.8 M UT 31-71.292 31-76.292 31-744.292 4 1 11 26.8 - MA S 31-281.252 31-261.252 31-271.252 1 9 13.6 S1 31-281.22 31-261.22 31-271.22 1 9 1.6 M S 31-151.252 31-121.252 31-131.252 1 9 27.6 S1 31-151.22 31-121.22 31-131.22 1 9 24.6 2 NC + 2 NO 1 D MA UT 31-719.292 31-715.292 31-749.292 4 1 11 7.1 M UT 31-711.292 31-77.292 31-745.292 4 1 11 21.1 2 D MA UT 31-72.292 31-716.292 31-75.292 4 1 11 8.1 M UT 31-712.292 31-78.292 31-746.292 4 1 11 22.1 - MA S 31-282.252 31-262.252 31-272.252 1 9 9.8 M S 31-152.252 31-122.252 31-132.252 1 9 23.8 3 NC + 3 NO - MA S 31-283.252 31-263.252 31-273.252 1 9 6.1 M S 31-153.252 31-123.252 31-133.252 1 9 2.1 4 NC + 4 NO - MA S 31-284.252 31-264.252 31-274.252 1 9 5.12 M S 31-154.252 31-124.252 31-134.252 1 9 19.12 Circuit drawing e Power rating: Low level switching element 42 V, 1 ma; Snap action switching element 25 V, 5 A Switching system: LL = Low level switching element, SA = Snap-action switching element Contacts: NC = Normally closed, NO = Normally open Diode (1N 47): - = without, D = Diode Switching action: MA = Maintained action, M = Momentary action Terminals: UT = Universal terminal, S = Soldering terminal, S1 = Soldering terminal (also pluggable 2.8 x.5 mm) Component layout from page 19, Mounting dimensions from page 2, Technical drawing from page 2, Circuit drawing from page 22
Technical Data Actuator with snap-action switching element Switching system Self-cleaning, double-break, snap action switching system (with contact gap 2 x.5 mm). 1 Normally closed or 1 Normally open contact per element. Snap-action switching elements with soldering terminals at the sides: Up to 4 switching element can be on a pushbutton (max. 4 Normally closed and 4 Normally open contacts). Snap-action switching element with axial plug-in terminals 2.8 mm stachable, only 1 switching element can be on a pushbutton. Material Material of contact Gold plated silver Switch housing Axial plug-in-/soldering terminal 2.8 mm: Diallylphthalate (DAP), Polyamide (PA66), Polysulfone, heatresistant and self-extinguishing Soldering terminal: PA 6.6 Ultramide Conventional free air thermal current 5 A The maximum current in continuous operation and at ambient temperature not exceeding the quoted maximum values. Switch rating 25 VAC, 5 A (cosφ 1) 25 VAC, 3 A (cosφ,3) Switch rating AC (cosφ,7) Voltage 125 VAC 25 VAC Current 3 A 2 A Switch rating DC (inductive) L:R = 3 ms Voltage 24 VDC 6 VDC 11 VDC 22 VDC Current 2 A.7 A.2 A.1 A Electric strength 25 VAC, 5 Hz, 1 min. between all terminals and earth, as per IEC 6512-2-11 Protection class II Actuator housing Polyetherimide, self-extinguishing Mechanical characteristics Terminals Snap-action switching element with tinned soldering terminals at the sides: Max. wire diameter 2 wires à 1.2 mm Max. wire cross-section of stranded cable 1 x 1 mm² Snap-action switching element with axial plug-in terminals, which can also be used as soldering terminals: Plug-in terminal 2.8 x.5 mm Soldering terminal: Max. wire diameter 1 wire of 1.5 mm² Max. wire cross-section of stranded cable 2 x.75 mm² or 1 x 1. mm² Actuating force 2 N... 5.5 N, depending on the number of switching elements Actuating travel 3 mm Rebound time 5ms Mechanical lifetime Momentary action 2 million cycles of operation Maintained action 1 million cycles of operation Electrical characteristics Standards IEC 6158, EN 6158 Rated voltage 25 VAC/VDC Rated current 5 A Environmental conditions Storage temperature -4 C... +85 C Service temperature -25 C... +55 C For indicators and illuminated pushbuttons mounted as a block, make sure the heat can escape freely. Protection degree Front as per: IP 4 IP 65 with spray cover Shock resistance (Single impacts, semi-sinusoidal) 15 g for 11 ms, as per IEC 6512-4-3, IEC 668-2-27 Vibration resistance (sinusoidal) 1 g at -2 Hz, amplitude 1.5 mm, as per IEC 6512-4-4, IEC 668-2-6 Climate resistance Standard condition, as per IEC 668-2-3 and 2-3 Changing condition, as per IEC 668-2-14 and 2-33 Approvals Approbations CB (IEC 6158) CSA ENEC (EN 6158) Germanischer Lloyd UL Declaration of conformity CE RoHS Contact resistance Starting value (initial) 5 mω
Technical Data > Actuator with low level switching element Protection class II Switching system This low level switching element was designed for switching low powers in electronic circuits. The mechanism assures reliable switching of loads ranging from a few μa/μv up to 1 ma/42 VAC/ DC. Single-break momentary contact, as normally open or normally closed with 4 independent points of contact. 2 momentary contacts per switching element; combination of normally open and normally closed is possible. Special features are the long life, extremely short rebound time and stable contact resistance. Material Material of contact Gold plated Switch housing Polysulfone, heat-resistant and self-extinguishing Actuator housing Polyetherimide, self-extinguishing Mechanical characteristics Terminals The universal terminals permit these units to be mounted on printed circuit boards (PCB). These terminals can also be used as soldering or plug-in terminals. For these terminals we can also supply a plug-in base which, when soldered on to the board, enables the switch to be plugged in. Soldering terminal: Max. wire diameter 2 wires à.8 mm Max. wire cross-section of stranded cable 1x.75 mm² Environmental conditions Storage temperature -4 C... +85 C Service temperature -25 C... +55 C For indicators and illuminated pushbuttons mounted as a block, make sure the heat can escape freely. Protection degree Front as per: IP 4 IP 65 with spray cover Shock resistance (Single impacts, semi-sinusoidal) 15 g for 11 ms, as per IEC 6512-4-3, IEC 668-2-27 Vibration resistance (sinusoidal) 1 g at -2 Hz, amplitude 1.5 mm, as per IEC 6512-4-4, IEC 668-2-6 Climate resistance Standard condition, as per IEC 668-2-3 and 2-3 Changing condition, as per IEC 668-2-14 and 2-33 Plug-in terminal: 2. x.5 mm Actuating force 3 N... 3,5 N Actuating travel 3 mm Rebound time Typ. <1 μs Mechanical lifetime Momentary action 5 million cycles of operation Maintained action 1 million cycles of operation Electrical characteristics Standards EN 6158 Contact resistance Starting value (initial) 5 mω Switch rating 1 μa, 1 μv to 1 ma at 42 VAC/VDC Electric strength 25 VAC, 5 Hz, 1 min. between all terminals and earth, as per IEC 6512-2-11
Component layout 1 PCB plug-in base page 1 2 PCB plug-in base page 1 3 PCB plug-in base page 1 4 Indicator actuator page 6 Illuminated pushbutton actuator page 7
Mounting dimensions 1 Indicator actuator page 6 Buzzer page 6 Illuminated pushbutton actuator page 7 Blind plug page 9 min. 18 2 min. 18 min. 18 16 +.2 16 +.2 16 +.2 min. 24 1.4 min. 18 min. 18 2 Front protective cap page 9 Technical drawing 1 Protective guard page 9 2 Protective guard page 9 3 Indicator actuator page 6 Illuminated pushbutton actuator page 7
4 Buzzer page 6 5 Buzzer page 6 6 Front protective cap page 9 7 Protective cover page 8 8 Protective cover page 8 32 1.5 23.5 25.5 24 14.5 9 Illuminated pushbutton actuator page 7
1 Indicator actuator page 6 11 Illuminated pushbutton actuator page 7 Circuit drawing 1 Buzzer page 6 2 Buzzer page 6 3 Indicator actuator page 6 a-(x1) b+(x2) 4 Indicator actuator page 6 5 Illuminated pushbutton actuator page 7