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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    LS Electric

    0628030863

    628030863, BK63H 3P B3A 6kA 480Y/277VAC UL1077, | Limited Stock Savings: 3 units available at this price

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

  • Available Now!
    lsis-bk63h-1p_3__50647.jpg
    Available Now!

    LS Electric

    0626052963

    626052963, BK63H 1P D5A 6kA 277VAC UL1077

    MCB, UL1077, 1-Pole, D-Curve, 5 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-1p-489__84750.jpg
    Available Now!

    LS Electric

    0626040763

    626040763, BK63HU 1P C63A 10kA 120/240VAC UL489

    MCB, UL489, 1-Pole, C-Curve, 63 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

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    lsis-bk63h-1p_3__88842.jpg
    Available Now!

    LS Electric

    0626036263

    626036263, BK63H 1P C16A 6kA 277VAC UL1077 | Limited Stock Savings: 1 unit available at this price

    MCB, UL1077, 1-Pole, C-Curve, 16 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-3p_4__07846.jpg
    Available Now!

    LS Electric

    0628030363

    628030363, BK63H 3P D40A 10kA 240VAC UL1077

    MCB, UL1077, 3-Pole, D-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

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    lsis-bk63h-1p-489__39151.jpg
    Available Now!

    LS Electric

    0626043063

    626043063, BK63HU 1P C1A 10kA 277VAC UL489

    MCB, UL489, 1-Pole, C-Curve, 1 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-1p_3__42539.jpg
    Available Now!

    LS Electric

    0626035763

    626035763, BK63H 1P C2A 6kA 277VAC UL1077

    MCB, UL1077, 1-Pole, C-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-3p-489__90248.jpg
    Available Now!

    LS Electric

    0628046763

    628046763, BK63HU 3P C5A 10kA 480Y/277VAC UL489

    MCB, UL489, 3-Pole, C-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-2p_5__66558.jpg
    Available Now!

    LS Electric

    0627041963

    627041963, BK63H 2P C2A 6kA 480Y/277VAC UL1077 | Limited Stock Savings: 11 units available at this price

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

  • Available Now!
    lsis-bk63h-3p_4__00658.jpg
    Available Now!

    LS Electric

    0628049663

    628049663, BK63H 3P D30A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 3-Pole, D-Curve, 30 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-1p-489__78939.jpg
    Available Now!

    LS Electric

    0626044263

    626044263, BK63HU 1P D4A 10kA 277VAC UL489 | Limited Stock Savings: 4 units available at this price

    MCB, UL489, 1-Pole, D-Curve, 4 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-1p-489__34980.jpg
    Available Now!

    LS Electric

    0626050563

    626050563, BK63HU 1P C15A 10kA 277VAC UL489

    MCB, UL489, 1-Pole, C-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