Siemens Industrial Controls 3RV29011E Switch 318518-761 shielding the PCO catalyst and

shielding the PCO catalyst and UV lamps from heavy particulate matter

Always cross-reference your furnace model and serial number to ensure a correct fit for your HVAC part needs

Advanced Logic Control: Embedded Lua scripting engine enables custom sequences for complex mechanical room requirements

Brittle or snapped wires lead to a total loss of ionization

Siemens Industrial Controls 3RV29011E Switch 318518-761 shielding the PCO catalyst andThe Siemens SIRIUS 3RV2901 1E is a high performance transverse auxiliary switch engineered for seamless integration into SIRIUS 3RV2 motor starter protectors. This front mounted contact block is essential for contractors requiring reliable remote signaling and status monitoring in complex control systems. It features a 1 NO + 1 NC contact configuration, providing versatile control logic for both normally open and normally closed circuits. Designed for