Belimo S1A Switch Els PW 17895 reaching deep into the thermal

reaching deep into the thermal stream for rapid response times without risk of sensor drift

Its snap-action bimetal disc design provides responsive switching

this collar is required to mechanically secure a blade pin extension

always verify HVAC part specifications and shaft diameter before field installation

When diagnosing a short-cycling furnace or a permanent blower run condition

Belimo S1A Switch Els PW 17895 reaching deep into the thermalThe Belimo S1A Auxiliary Switch provides reliable end stop signaling and interface capability for an extensive range of non spring return actuators, including the LM, NM, AM, and GM series. This single pole double throw (SPDT) switch is designed to replace the legacy AM 661 model, offering a seamless field addition for contractors managing damper automation or HVAC control systems. Engineered for precision, the switching point is fully adjustable