The ClimateMaster 13B0002N02 2-Pole Contactor is a 40A electrical switching component with a 24V coil, designed for compatible HVAC systems, including heat pumps and air conditioning units. It operates by using a low-voltage control signal to open or close two electrical power circuits, regulating power to major components such as compressors. Designed for dependable switching perform... https://www.partshnc.com/13b0002n02-climatemaster-2p-40a-contactor