PKZ2/ZM-25/S Eaton Motor Protective Circuit Breaker

The PKZ2/ZM-25/S is a 3-pole, 25A motor protective circuit breaker configured as a manual motor starter. It integrates the PKZ2 base module, ZMR-25 overload relay (adjustable 16–25A thermal protection), S-PKZ2 magnetic contactor, and C-PKZ2 DIN rail mount. Magnetic trip is adjustable from 200–350A. Rated for motors up to 7.5 HP at 230V and 20 HP at 460V. Complies with UL/CSA listing requirements, NEC 430-53(c), and CEC Rule 28-206. Supports group motor protection per applicable electrical codes, enabling multiple starters on a single branch circuit protection device.