Susol LV Switchgear Susol Low Voltage Switchgear & Motor Control Center
Susol Low Voltage Switchgear & Motor Control Center LV Switchgear LSIS Susol Low Voltage Switchgear provides optimized SOLUTION to meet various customer's Needs. Susol Low Voltage Switchgear is designed and produced to construct high quality power system such as plants and buildings. It realizes Compact size and also secures customer's convenience and safety. Susol Low Voltage Switchgear is a high performance & high quality product that comply with IEC 61439-1&2, so it can be used all kinds of industrial field. LV Switchgear
Contents Features Rating IEC Standard Internal FORM of separation Unit Unit Structure Control Board Susol LV Switchgear structure 4 5 6 7 8 10 11 13
Susol LV Switchgear Features Stability and Reliability Designed to meet the IEC61439-1&2 standard Protection degree: IP43 (Up to 54) Form 4b Structure - Prevention fault spread by metal partitions Safety and Convenience for user Screw type In/Out assembly Independent Modular structure for maintenance Structure for user safety Easy Unit position change Compact size Reduce installation space (Save space by 29% compared to the conventional model) Adopted ½ Unit construction Save space by 29% Adopted LSIS ACB & MCCB 4
Rating Description Main Feeder MCC Rated operating voltage Up to 690V Up to 500V Rated current Main Up to 5000A Distribution Up to 5000A Up to 1500A Phases 3P4W Rated frequency 50/60Hz Rated short time withstand current Up to 100 ka/1sec. Arc fault containment (IEC TR 61641) Up to 100kA/0.3sec (85kA/0.5sec) Rated insulated voltage 1000V 750V Rated impulse withstand voltage 12kV 8kV Degree of protection Up to IP54 * Form of Internal separation Form 4b Size (W D H) 1200 1000 2250 1150 1000 2250 1000 1000 2250 Standard IEC 61439-1 & 2 * MCC Unit for IP54 is Fixed type only. 5
IEC Standard (From IEC 60439-1 to IEC 61439-1&2) IEC 60439-1 (old) & 61439-1 & 2 (new) Specifications comparison OLD IEC 60439-X OLD IEC 60439-X LV switchgear & controlgear LV switchgear General rules 60439-1 Assemblies (ASSEMBLIES) Busbar Trunking Systems 60439-2 Distribution Boards for unskilled pers 60439-3 ASS. for construction sites 60439-4 ASSEMBLIES for public networks 60439-5 NEW IEC 61439-X General rules LV switchgear 61439-1 (2009) & controlgear Assemblies (ASSEMBLIES) Power switchgear and controlgear assemblies 61439-2 Distribution Boards for Ordinary pers. 61439-3 ASS. for construction sites 61439-4 ASSEMBLIES for public networks 61439-5 Busbar Trunking Systems 61439-6 Ecomplying with IEC 60947 series; electronic devices or equipment 61439-2 is combined with 61439-1 The verification of these requirements in accordance with the IEC 60439 series need not be repeated. OLD IEC 60439-X NEW IEC 61439-X 6
Internal FORM of separation Prevention fault spread by metal partitions (Up to Form 4b type 7) FORM 4b structure Separation of busbar from the functional units Separation of functional units from one another Separation of terminals of functional units Terminals NOT in same compartment as functional unit Susol LV Switchgear Form 4b type 5 & 7 Structure Type 7 Type 5 7
Unit Unit Withdrawable unit's height is adjustable from 150 mm up to 750 mm. Unit's height can be adjusted by 50 mm pitch. MCCB, magnetic contactors, protective relays, auxiliary relay, timer, CT, ZCT, and fuse are attached horizontally from the front of the unit case. Primary and secondary plug of main circuit, and control circuit plug are attached at the back of the Unit Case. Unit Configuration Unit Configuration Unit withdrawal the space for unit Unit Configuration ½ Unit configuration ½ unit configuration provides expanded working space, allowing optimal space management. 1 Unit ½ Unit Operator safety embedded design POSITION WINDOW Padlock-equipped Gear Device Indicator Unit withdrawal/insertion disabled when circuit breaker is ON Interior shaft prevents negligent accidents 8
9 Unit's location SERVICE Position This means that if Unit's locking device is at LOCKED position, primary & secondary plug of main circuit, control circuit plug are connected to respective circuit. TEST Position At TEST position, only control circuit plug and socket are connected and you can check all control unit output signal. Disconnected Position Control circuit plug, primary & secondary plug of main circuit are disconnected. However, the Unit CANNOT be withdrawn from the MCC by mechanical mechanism. Vertical Busbar Primary Plug of Main Circui N Phase Busbar N Phase Primary Plug of Main Circuit Secondary Fixed Plug of Main Circuit Secondary Movable Plug of Main Circuit Control Circuit Plug Control Circuit Socket Withdrawal Unit Withdrawable Position Plug and socket of control unit, primary & secondary plug of main circuit, mechanical mechanism are disconnected. So the Unit CAN be completely withdrawn from the MCC.
Unit Structure Unit Base Plate Gear Interlock Primary Plug of Main Circuit Secondary Plug of Main Circuit 24 Poles Control Circuit Plug Control Board 10
Control Board MCCB Handle Position Interlock Control Board Door Handle Position Handle Position Mechanical Status Electrical Status ½, 1 Unit Status Module Interlocked Padlock Possible Withdrawable Contact Main Switch Control Circuit 1 Position Service 2 Position Test 3 Position Disconnected ISO 4 Position Moving - 11
Control Board Susol LV Switchgear Appearance Single line diagram INCOMING FEEDER (ACB 2 of units) 3P4W 690V 100kA/1sec 5000A 50/60Hz FEEDER (MCC) ACB 4P 2000A W / OCR MCCB 4P 100AF / 100AT ACB 4P 6300A W / OCR ACB 4P 630A W / OCR MCCB 4P 250AF / 250AT MCCB 4P 630AF / 630AT 12
Susol LV Switchgear structure ❻ ❼ ❿ ❽ ❾ ❷ ❸ ❶ ❹ ❺ ❶ Basic Frame ❷ Corner piece ❸ Fixed Corner ❹ Bottom Plate ❺ Channel Base ❻ Top plate ❼ Lifting angle ❽ Left Barrier ❾ Right Barrier ❿ Main Busbar Clamp Vertical Busbar Clamp(top, bottom) Vertical Busbar Clamp(middle) Insulator Barrier Finger Proof Barrier Safety Shutter Primary plug of main circuit Secondary plug of main circuit Control circuit plug Lamp plate Unit door Unit handle Name plate Position window Gear Unit Interlock Unit Main Busbar Vertical Busbar Top Front Cover Bottom Front Cover Unit Barrier 13
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