The Eaton Cutler-Hammer E50SB Series A1 USNT molded case circuit breaker provides overload and short-circuit protection for electrical distribution panels. Identified as E50SB SER.A1 USNT, this unit is part of Eaton's Cutler-Hammer MCCB family and is designed for use in commercial and industrial panel boards to protect feeders and branch circuits. In panel-based protection schemes, this MCCB interrupts fault currents to safeguard wiring and connected equipment.
