Description
The Regal Rexnord – Fasco H340B 3-Pole Contactor 40A 120V is used for switching electrical power circuits in electromechanical control assemblies. In HVAC systems, it is applied inside outdoor condensing units and air-handling sections and compressors and fan motor circuits based on thermostat or control board signals. It operates as an interface between low-voltage control inputs and higher-voltage loads, ensuring controlled electrical switching during system cycles. It is commonly applied in residential and light commercial heating and cooling equipment where dependable load control and circuit separation are required.
