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-1p-489__04358.jpg

    LS Electric

    0626041963

    626041963, BK63HU 1P D50A 10kA 120/240VAC UL489

    MCB, UL489, 1-Pole, D-Curve, 50 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__20046.jpg

    LS Electric

    0627058063

    627058063, BK63H 2P D8A 10kA 240VAC UL1077

    MCB, UL1077, 2-Pole, D-Curve, 8 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-1p-489__90472.jpg

    LS Electric

    0626041863

    626041863, BK63HU 1P D40A 10kA 120/240VAC UL489

    MCB, UL489, 1-Pole, D-Curve, 40 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-4p_5__90928.jpg

    LS Electric

    0629047263

    629047263, BK63H 4P D15A 10kA 240VAC UL1077, Non-Cancellable / No Returns

    MCB, UL1077, 4-Pole, D-Curve, 15 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR

  • lsis-bk63h-3p_4__10705.jpg

    LS Electric

    0628033863

    628033863, BK63H 3P D16A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 3-Pole, D-Curve, 16 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__28362.jpg

    LS Electric

    0627057963

    627057963, BK63H 2P D5A 10kA 240VAC UL1077

    MCB, UL1077, 2-Pole, D-Curve, 5 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-3p_4__42985.jpg

    LS Electric

    0628033663

    628033663, BK63H 3P D6A 6kA 480Y/277VAC UL1077

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

  • lsis-bk63h-1p-489__16120.jpg

    LS Electric

    0626044663

    626044663, BK63HU 1P D20A 10kA 277VAC UL489, Replacement for 0626041563, BK63HU 1P D20A 10kA 120/240VAC UL489

    MCB, UL489, 1 Pole, D Curve, 20 Amp (20A), 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker, Replacement for 0626041563, BK63HU 1P D20A 10kA 120/240VAC UL489

  • lsis-bk63h-3p_4__29746.jpg

    LS Electric

    0628033563

    628033563, BK63H 3P D4A 6kA 480Y/277VAC UL1077, Non-Cancellable / No Returns

    MCB, UL1077, 3-Pole, D-Curve, 4 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR

  • lsis-bk63h-4p_5__35463.jpg

    LS Electric

    0629048463

    629048463, BK63H 4P D15A 6kA 480Y/277VAC UL1077, Non-Cancellable / No Returns

    MCB, UL1077, 4-Pole, D-Curve, 15 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR

  • lsis-bk63h-1p_3__94005.jpg

    LS Electric

    0626037663

    626037663, BK63H 1P D20A 6kA 277VAC UL1077

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

  • lsis-bk63h-3p_4__71837.jpg

    LS Electric

    0628033463

    628033463, BK63H 3P D3A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 3-Pole, D-Curve, 3 Amp, 6kA, 480Y/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