Eaton Cutler-Hammer A074-177676-0003 (KKD-3) is a contactor used to remotely switch electrical loads in control circuits. The part is identified by model A074-177676-0003 and is also referred to as KKD-3 within the Cutler-Hammer product family. As a contactor, it operates by energizing a coil to actuate the contacts and control equipment power flow in automated systems.
