Lennox 37J56 Circuit Breaker Switch providing critical freeze protection or

providing critical freeze protection or defrost termination cycles within the refrigeration circuit

While a DPDT relay can often replace a SPDT relay by using only one set of contacts

ensuring proper alignment with the mounting base and internal bimetal elements

this beige plastic cover provides a clean

Lennox 37J56 Circuit Breaker Switch providing critical freeze protection orThe Lennox 37J56 Circuit Breaker Switch (also identified as 37J5601) is an OEM grade fuseholder type thermal circuit breaker engineered for high precision overcurrent protection in residential and commercial HVAC systems. Rated for 3 Amps at 250V, this single pole thermal breaker serves as a critical safety component, protecting transformers (T1) and control boards from electrical damage. Designed with a robust panel mount housing, it features a push