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-489__65359.jpg

    LS Electric

    0628040163

    628040163, BK63HU 3P C25A 10kA 480Y/277VAC UL489

    MCB, UL489, 3-Pole, C-Curve, 25 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • 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-3p-489__19630.jpg

    LS Electric

    0628046863

    628046863, BK63HU 3P C8A 10kA 480Y/277VAC UL489

    MCB, UL489, 3-Pole, C-Curve, 8 Amp, 10kA, 480Y/277VAC, 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-2p_5__07948.jpg

    LS Electric

    0627037563

    627037563, BK63H 2P B32A 10kA 240VAC UL1077

    MCB, UL1077, 2-Pole, B-Curve, 32 Amp, 10kA, 240VAC, 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-1p-489__90842.jpg

    LS Electric

    0626042863

    626042863, BK63HU 1P B20A 10kA 277VAC UL489, Alternative for 0626038963

    MCB, UL489, 1-Pole, B-Curve, 20 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

  • lsis-bk63h-2p_5__48254.jpg

    LS Electric

    0627037263

    627037263, BK63H 2P B16A 10kA 240VAC UL1077, Non-Cancellable / No Returns

    MCB, UL1077, 2-Pole, B-Curve, 16 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR

  • lsis-bk63h-2p_5__78994.jpg

    LS Electric

    0627057863

    627057863, BK63H 2P C30A 10kA 240VAC UL1077

    MCB, UL1077, 2-Pole, C-Curve, 30 Amp, 10kA, 240VAC, 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

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