Siemens 3VL9400-1UP01 Auxiliary Switch Kit
Siemens 3VL9400-1UP01: Auxiliary switch kit for VL UL frame breakers.
The Siemens 3VL9400-1UP01 is an accessory designed for specific Siemens VL UL frame circuit breakers, including VL150XUL, VL150UL, VL250UL, VL400UL, and VL400XUL (CG and LG frames). This auxiliary switch kit provides additional contacts to signal the breaker's status and is intended for right-side installation within accessory compartments. It is provided solely as a replacement part.
This auxiliary switch kit is essential for integrating circuit breakers into larger control and monitoring systems. The contacts within the kit can be wired to indicate whether the main breaker is open or closed, facilitating remote diagnostics, enabling interlocks with other machinery, or triggering alarms. Its use is critical in ensuring the safe and efficient operation of automated industrial processes.
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| Type | Auxiliary Switch Kit |
| Installation Side | Right |
| Function | Breaker status signaling |
| Compatible Series | VL150XUL, VL150UL, VL250UL, VL400UL, VL400XUL (CG/LG frames) |