The Carrier HN61KK040 Relay is a heavy-duty 24V 2PDT power relay engineered for precise control circuit switching in residential and light commercial HVAC systems. As a genuine OEM replacement part, it is designed for a 1:1 fit in legacy Carrier, Bryant, and Payne equipment, effectively managing blower motors, fan coils, and compressor pilot circuits. The double pole double throw (2PDT) configuration allows for the simultaneous switching of two independent high-voltage circuits from a single low-voltage signal, ensuring localized power isolation and operational reliability.

Built to handle the inductive loads common in air conditioning and heating applications, the HN61KK040 furnace relay features high-quality magnetic coil winding and durable contact points that resist pitting and carbon buildup. With electrical ratings up to 14 amps at 120V or 7 amps at 240V, this HVAC control relay provides the robust switching capacity required to troubleshoot and resolve issues such as unresponsive blowers or intermittent compressor startups. Technicians rely on this specific Carrier replacement relay to maintain factory specifications and ensure long-term system stability without the compatibility risks associated with universal aftermarket components.

• OEM Compatibility: Ensures a direct fit for Carrier, Bryant, and Payne units, eliminating the need for wiring modifications.
• Dual-Circuit Control: The 2PDT design manages two separate electrical paths, perfect for complex fan/heat sequencing.
• Standard 24V Coil: Integrates seamlessly with standard 24VAC thermostat and control board circuits.
• Durable Construction: Heavy-duty magnetic relay housing is optimized for high-cycle environments.
• Reduced Downtime: Fast installation for common failures such as "chattering" relays or stuck contacts.

What are the symptoms of a failing HN61KK040 relay?
Contractors often identify failure through an audible clicking or humming without the component starting, visible scorching on the relay housing, or the indoor blower motor failing to energize despite a 24V signal from the board.

Can this relay replace a SPDT or SPST model?
While a 2PDT relay can technically handle simpler switching tasks, it is engineered specifically for applications requiring more complex circuit management. Always verify the wiring diagram of the specific air handler or furnace before substitution.

Is the HN61KK040 rated for both 120V and 240V loads?
Yes, this power relay is rated for both 120V and 240V applications, making it versatile for fan motor and compressor pilot duty across various equipment voltages.

Item is Non Cancelable / Non Returnable

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.