Manual On Load Changeover Switch 3KJ 4-pole, for power distribution - 3KJ9001-5AB00

Product Description

Siemens Auxiliary Switch for 3KJ Manual On-Load Changeover Switches – 3KJ9001-5AB00

The Siemens 3KJ9001-5AB00 is an auxiliary switch accessory designed for use with Siemens SENTRON / SINOVA 3KJ series manual on-load changeover switches. It is used for status indication, remote signaling, and control circuit integration in low-voltage power distribution systems.

This accessory provides 1NO + 1NC instantaneous auxiliary contacts, enabling reliable monitoring of switch position in mains–generator transfer systems, DG synchronization panels, MCC/PCC switchboards, and industrial LT distribution panels. The auxiliary contacts help integrate the changeover switch with PLC, SCADA, BMS, and annunciation systems for enhanced automation and operational monitoring. 

The accessory is specifically designed for 3KJ02 / 3KJ03 manual changeover switch families (Size 2–5 platforms) and includes two units — one each for position I and position II indication. 

Key Features:

• Siemens SENTRON / SINOVA 3KJ accessory 

• Auxiliary switch for manual changeover switches 

• Compatible with 3KJ02 / 3KJ03 series 

• Contact configuration: 1NO + 1NC instantaneous contact 

• Includes indication for Position I and Position II 

• Suitable for PLC, BMS, and SCADA integration 

• Supports remote status monitoring and annunciation 

• Compact accessory mounting design 

• Reliable industrial signaling performance 

• IEC compliant accessory solution