Eaton Cutler-Hammer WMZS1B20 is a UL1077-listed miniature circuit breaker (MCB) with a 20-ampere rating, Type B curve, and a 1-pole configuration. The part number WMZS1B20 uniquely identifies this unit within Eaton's Cutler-Hammer protection devices. As a single-pole MCB, it provides overcurrent protection for individual circuits in electrical equipment and is designed for use where a 20 A protection device is required. The UL1077 listing designates it for use as a supplementary protector in electrical equipment and enclosures, complying with standard requirements for small-branch-circuit protection.
