Circuit Breakers

A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.

a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector

 

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  • lsis-bk63h-2p-489__02749.jpg

    LS Electric

    0627050763

    627050763, BK63HU 2P D16A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, D-Curve, 16 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__27702.jpg

    LS Electric

    0627041763

    627041763, BK63H 2P B63A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 63 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__16324.jpg

    LS Electric

    0627050563

    627050563, BK63HU 2P D6A 10kA 480Y/277VAC UL489, Replacement for 0627047463, BK63HU 2P D6A 10kA 240VAC UL489

    MCB, UL489, 2-Pole, D-Curve, 6 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__67367.jpg

    LS Electric

    0627050063

    627050063, BK63HU 2P C25A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, C-Curve, 25 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__47896.jpg

    LS Electric

    0627041563

    627041563, BK63H 2P B40A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 40 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__45093.jpg

    LS Electric

    0627049963

    627049963, BK63HU 2P C20A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, C-Curve, 20 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__33417.jpg

    LS Electric

    0627049863

    627049863, BK63HU 2P C16A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, C-Curve, 16 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__10867.jpg

    LS Electric

    0627041463

    627041463, BK63H 2P B32A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 32 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__27254.jpg

    LS Electric

    0627041263

    627041263, BK63H 2P B20A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 20 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__26302.jpg

    LS Electric

    0627056063

    627056063, BK63HU 2P B5A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, B-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__64845.jpg

    LS Electric

    0627055263

    627055263, BK63HU 2P B30A 10kA 240VAC UL489

    MCB, UL489, 2-Pole, B-Curve, 30 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_6__83022.jpg

    LS Electric

    0627041063

    627041063, BK63H 2P B10A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 10 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.

a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector