Moeller PKZM4-32 Motor Protection Switch

The motor protection switch, also known as motor protection device, motor protection relay, or circuit breaker for motors, with type number PKZM4-32 from Moeller is an electrical switch for securing electric motors against overload and short circuit. It has the dimensions 6 x 14 x 17 cm and weighs 1.15 kg. Motor protection switches serve to reliably protect electric motors from thermal overload and short circuits by automatically interrupting the circuit in case of faults. Typical applications are found in mechanical engineering, pump controls, ventilation systems, and conveyor technology, to ensure the operational safety and lifespan of the motors.