The Eaton Cutler-Hammer WMZS3B30 three-pole miniature circuit breaker is rated for 30 A with a 10 kA interrupting capacity and Type B trip classification. It provides overcurrent protection for three-phase circuits in electrical panels, helping prevent damage from overloads and short circuits in commercial or industrial installations. As part of the Eaton Cutler-Hammer family, the WMZS3B30 is a compact, standard-form breaker designed for 3-pole configurations where a 30 A rating and robust fault-current capability are required.
