Siemens Industrial Controls 3RV2901-1A Aux Switch 319852-301 Built with a normally closed

Built with a normally closed (N/C) configuration

ensuring the combustion system meets OEM specifications for air-fuel ratios

This replacement solenoid coil features Class F insulation

The 11002012007500 features a robust 48-frame design

tighten the lockring against the body to prevent drift caused by vibration

Siemens Industrial Controls 3RV2901-1A Aux Switch 319852-301 Built with a normally closedThe Siemens 3RV2901 1A is a lateral auxiliary switch engineered for high reliability signaling within the SIRIUS modular system. Built specifically for Siemens 3RV2 motor starter protectors, this block features a 1 NO + 1 NC (Normally Open Normally Closed) contact configuration, enabling simultaneous status feedback and control circuit interlocking. Designed for industrial efficiency, the unit utilizes screw terminals for secure conductor termination