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

 

Style:
Product Price Rating Action
  • lsis-bk63h-3p-489__93713.jpg

    LS Electric

    0628038763

    628038763, BK63HU 3P B4A 10kA 480Y/277VAC UL489

    MCB, UL489, 3-Pole, B-Curve, 4 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis_ute100n_3pole_front_16__80531.jpg

    LS Electric

    02050196UL

    2050196UL, UTE100NT FTU 20A 3P LL UL, NCNR

    MCCB, 3-Pole, 20 Amp, 35kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker, Non-Cancellable, No Returns

  • lsis-bk63h-3p_4__76771.jpg

    LS Electric

    0628027463

    628027463, BK63H 3P B20A 10kA 240VAC UL1077

    MCB, UL1077, 3-Pole, B-Curve, 20 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-1p_3__62559.jpg

    LS Electric

    0626030763

    626030763, BK63H 1P B4A 10kA 120/240VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 4 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__76976.jpg

    LS Electric

    0627048463

    627048463, BK63HU 2P B2A 10kA 480Y/277VAC UL489

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

  • lsis-bk63h-1p-489__74521.jpg

    LS Electric

    0626042463

    626042463, BK63HU 1P B4A 10kA 277VAC UL489

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

  • lsis-bk63h-3p-489__20911.jpg

    LS Electric

    0628038663

    628038663, BK63HU 3P B3A 10kA 480Y/277VAC UL489

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

  • lsis-bk63h-2p_5__20256.jpg

    LS Electric

    0627037463

    627037463, BK63H 2P B25A 10kA 240VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 25 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__28285.jpg

    LS Electric

    0627039463

    627039463, BK63H 2P D3A 10kA 240VAC UL1077

    MCB, UL1077, 2-Pole, D-Curve, 3 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p_4__15742.jpg

    LS Electric

    0628032663

    628032663, BK63H 3P C20A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 3-Pole, C-Curve, 20 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p-489__60857.jpg

    LS Electric

    0628038563

    628038563, BK63HU 3P B2A 10kA 480Y/277VAC UL489

    MCB, UL489, 3-Pole, B-Curve, 2 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-4p_5__19336.jpg

    LS Electric

    0629040963

    629040963, BK63H 4P C63A 6kA 480Y/277VAC UL1077, Non-Cancellable / No Returns

    MCB, UL1077, 4-Pole, C-Curve, 63 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR

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