What this auxiliary switch does on the 3RV2 breaker
The 3RV2901-1F is a transverse auxiliary switch with 2 normally-open (NO) contacts, terminated with a screw terminal, designed to mount directly onto Siemens 3RV2 circuit breakers. It signals the breaker's open/closed state to a PLC or indicator lamp without tapping the main power path.
Sourcing and BOM fit
As a standard stock item (product class A), the 3RV2901-1F is sourced to order against your BOM quantity.
