PKZ2/ZM-2.4/S-SP Eaton Motor Protective Circuit Breaker

The PKZ2/ZM-2.4/S-SP is a 3-pole motor protective circuit breaker rated at 2.4 A, certified to UL 508 and CSA 22.2 as Type E. It integrates a PKZ2/S-SP base module with contactor, ZM-2.4-PKZ2 overload relay (adjustable thermal range: 1.6–2.4 A), and C-PKZ2 DIN rail mount. Magnetic trip adjustment spans 20–35 A. Horsepower ratings are 1/2 HP at 230 V and 1 HP at 460 V. The device provides combined overload and magnetic protection, eliminating the need for supplementary overcurrent devices. It includes built-in auxiliary contacts and complies with UL/CSA Type E requirements.