Asea Brown Boveri Ltd. MJ-5211 Circuit Breaker

The Asea Brown Boveri Ltd. MJ-5211 Circuit Breaker is an ABB-manufactured electrical protection device identified by model MJ-5211. As a circuit breaker, it interrupts current flow in a circuit when abnormal conditions—such as overloads or faults—are detected, helping safeguard wiring, equipment, and personnel. Exact electrical ratings, interrupting capacity, trip characteristics, and enclosure compatibility for this specific MJ-5211 unit are defined by ABB's documentation and are typically printed on the unit's nameplate or included in the datasheet. Typically used in industrial and commercial electrical distributions, ABB circuit breakers like the MJ-5211 are installed in control panels, switchboards, and motor control centers to provide reliable overcurrent protection.