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-1p-489__48517.jpg

    LS Electric

    0626050063

    626050063, BK63HU 1P B5A 10kA 277VAC UL489

    MCB, UL489, 1-Pole, B-Curve, 5 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p-489__31100.jpg

    LS Electric

    0628038963

    628038963, BK63HU 3P B10A 10kA 480Y/277VAC UL489

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

  • lsis-bk63h-2p_5__81984.jpg

    LS Electric

    0627041363

    627041363, BK63H 2P B25A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 25 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__94835.jpg

    LS Electric

    0627058663

    627058663, BK63H 2P B30A 6kA 480Y/277VAC UL1077

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

  • lsis-bk63h-1p_3__28740.jpg

    LS Electric

    0626031263

    626031263, BK63H 1P B25A 10kA 120/240VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 25 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p-489__99552.jpg

    LS Electric

    0628038863

    628038863, BK63HU 3P B6A 10kA 480Y/277VAC UL489

    MCB, UL489, 3-Pole, B-Curve, 6 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p-489__55330.jpg

    LS Electric

    0627045463

    627045463, BK63HU 2P B40A 10kA 240VAC UL489

    MCB, UL489, 2-Pole, B-Curve, 40 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__10253.jpg

    LS Electric

    0627041163

    627041163, BK63H 2P B16A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 16 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p_4__33895.jpg

    LS Electric

    0628027763

    628027763, BK63H 3P B40A 10kA 240VAC UL1077

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

  • lsis-bk63h-1p_3__44947.jpg

    LS Electric

    0626031063

    626031063, BK63H 1P B16A 10kA 120/240VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 16 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-1p-489__11402.jpg

    LS Electric

    0626042763

    626042763, BK63HU 1P B16A 10kA 277VAC UL489

    MCB, UL489, 1-Pole, B-Curve, 16 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-1p_5__88708.jpg

    LS Electric

    0626030863

    626030863, BK63H 1P B6A 10kA 120/240VAC UL1077

    MCB, UL1077, 1-Pole, B-Curve, 6 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