Carrier HN61HB545 Start Relay 321894-709 serving as a critical fail-safe

serving as a critical fail-safe for cooling or supply lines

Always verify if your existing drain line fittings and overflow switches require new threaded connectors or gaskets during the swap

single throw (SPST) switch for precise pump control and a single pole

Reliable PSC Design: Provides higher starting torque and improved electrical efficiency compared to standard shaded-pole motors

Standardized Leads: Equipped with 8-inch leads for straightforward wiring into existing terminal blocks

Carrier HN61HB545 Start Relay 321894-709 serving as a critical fail-safeThe Carrier HN61HB545 Start Relay is a mission critical potential relay designed for high starting torque applications in Carrier, Bryant, and Payne HVAC units. Engineered to provide the necessary phase shift for starting PSC and CSCR compressors, this HVAC start relay features a precise pick up and drop out voltage calibration to prevent capacitor overheating and winding damage. This genuine OEM Carrier replacement part ensures the compressor motor