The Cutler Hammer–Eaton C25BNB230A 2-Pole Contactor is a reliable 30A, 120V control device designed for HVAC systems requiring consistent power switching. It operates by using an electromagnetic coil to open or close electrical circuits, ensuring safe and efficient delivery of power to components such as compressors, condenser fans, and electric heaters. https://www.partshnc.com/c25bnb230a-cutler-hammer-eaton-2p-30a-120v-contactor