PKZM0-20 Eaton Motor Protective Circuit Breaker

The Moeller PKZM0-20 is a heavy-duty, 3P manual motor protective circuit breaker rated at 20A. It supplies overload and short-circuit protection for motor circuits, with an adjustable thermal setting range of 16–20A and a magnetic trip response of 280A for coordination with motor full-load currents. Its short-circuit interrupting capacity is 10kA at 600V AC. Compatible protective equipment includes fuses rated up to 150A or breakers rated up to 125A. The unit supports motors up to 5 HP at 230V and 10 HP at 460V, and it is UL listed and CSA certified. Group installation is approved under NEC 430-53 and CEC Part 1, Rule 28-206, allowing one protector to replace individual protective devices and reduce panel cost and space.