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-3p_4__63576.jpg

    LS Electric

    0628031563

    628031563, BK63H 3P B32A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 3-Pole, B-Curve, 32 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__83759.jpg

    LS Electric

    0627038463

    627038463, BK63H 2P C10A 10kA 240VAC UL1077

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

  • lsis-bk63h-1p_3__07618.jpg

    LS Electric

    0626037863

    626037863, BK63H 1P D32A 6kA 277VAC UL1077, Non-Cancellable / No Returns

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

  • lsis-bk63h-2p_5__52589.jpg

    LS Electric

    0627043063

    627043063, BK63H 2P C63A 6kA 480Y/277VAC UL1077

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

  • lsis-bk63h-2p_5__67570.jpg

    LS Electric

    0627059063

    627059063, BK63H 2P C30A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, C-Curve, 30 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p_4__30290.jpg

    LS Electric

    0628031463

    628031463, BK63H 3P B25A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 3-Pole, B-Curve, 25 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__31735.jpg

    LS Electric

    0627038363

    627038363, BK63H 2P C6A 10kA 240VAC UL1077

    MCB, UL1077, 2-Pole, C-Curve, 6 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p-489__56115.jpg

    LS Electric

    0628046663

    628046663, BK63HU 3P B15A 10kA 480Y/277VAC UL489

    MCB, UL489, 3-Pole, B-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__34929.jpg

    LS Electric

    0627044363

    627044363, BK63H 2P D63A 6kA 480Y/277VAC UL1077

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

  • lsis-bk63h-1p_3__47083.jpg

    LS Electric

    0626037763

    626037763, BK63H 1P D25A 6kA 277VAC UL1077

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

  • lsis-bk63h-2p_5__20584.jpg

    LS Electric

    0627058963

    627058963, BK63H 2P C15A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, C-Curve, 15 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-1p-489__32108.jpg

    LS Electric

    0626050263

    626050263, BK63HU 1P B15A 10kA 277VAC UL489, Recommended Replacemnet for 0626049063, BK63HU 1P B15A 10kA 277VAC UL489

    MCB, UL489, 1-Pole, B-Curve, 15 Amp, 10kA, 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