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__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-1p_3__53358.jpg

    LS Electric

    0626035363

    626035363, BK63H 1P B40A 6kA 277VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 40 Amp, 6kA, 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

  • lsis-bk63h-1p_3__48233.jpg

    LS Electric

    0626035263

    626035263, BK63H 1P B32A 6kA 277VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 32 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__39958.jpg

    LS Electric

    0627057463

    627057463, BK63H 2P B30A 10kA 240VAC UL1077, , Non-Cancellable, No Returns

    MCB, UL1077, 2-Pole, B-Curve, 30 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, Non-Cancellable, No Returns

  • lsis-bk63h-1p_3__52830.jpg

    LS Electric

    0626035163

    626035163, BK63H 1P B25A 6kA 277VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 25 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__60511.jpg

    LS Electric

    0627040963

    627040963, BK63H 2P B6A 6kA 480Y/277VAC UL1077

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

  • lsis-bk63h-2p_5__79211.jpg

    LS Electric

    0627057363

    627057363, BK63H 2P B15A 10kA 240VAC UL1077, Non-Cancellable / No Returns

    MCB, UL1077, 2-Pole, B-Curve, 15 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR

  • lsis-bk63h-2p_5__44660.jpg

    LS Electric

    0627040863

    627040863, BK63H 2P B4A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 4 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-1p_3__53064.jpg

    LS Electric

    0626035063

    626035063, BK63H 1P B20A 6kA 277VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 20 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-1p_4__10400.jpg

    LS Electric

    0626030963

    626030963, BK63H 1P B10A 10kA 120/240VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 10 Amp, 10kA, 120/240VAC, 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