PKZ2/ZM-32/S-SP Eaton Motor Protective Circuit Breaker

The PKZ2/ZM-32/S-SP is a 32A, 3-pole motor protective circuit breaker classified as a manual motor starter and UL/CSA Type E self-protected combination motor controller. It consists of a PKZ2/S-SP base module with integrated contactor, a ZM-32-PKZ2 overload relay (adjustable thermal range: 24–32 A), and a C-PKZ2 DIN rail mounting adapter. The magnetic trip is adjustable from 275–425 A. Motor rating support is up to 10 HP at 230 V and 20 HP at 460 V. It complies with UL 508 and CSA 22.2 standards. Features include phase-loss protection, a plug-in trip module, built-in auxiliary contacts, and compatibility with accessories and flexible mounting. No external overcurrent devices are required for full protection.