The Federal Pacific Electric KQB-46CU400A600V3 is a 3-pole circuit breaker in the KQB family, built to interrupt fault currents in electrical distribution systems. It is rated for 400 A and 600 V, making it a high-capacity protection device for circuits requiring robust overcurrent protection. This model protects conductors and connected equipment by tripping when overloads or faults occur, helping maintain electrical safety and system integrity.
