Featuring a 5/8" shaft diameter and CWSE (Clockwise Shaft End) rotation

With its high current-carrying capacity and robust contact design

OEM Precision: Guaranteed compatibility with Lennox gas furnaces

Industrial Durability: Constructed with high-grade stainless steel internals to resist corrosion and erosion in high-velocity steam environments

Its backlit LCD interface provides clear status updates

Siemens Industrial Controls 3RT2045-1AK60 Contactor 320788-703 Featuring a 5/8" shaft diameterThe Siemens Sirius 3RT2045 1AK60 is a heavy duty S3 size contactor designed for high demand industrial motor switching and HVACR applications. Engineered for reliability, this 3 pole unit supports a 110V 120V AC coil (50 60 Hz) and provides a robust 80 Amp AC 3 rating (37 kW at 400V) and a 120 Amp AC 1 rating for resistive loads. As the direct 3RT1045 1AK60 replacement, it fits seamlessly into the SIRIUS modular system, ensuring compatibility with