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_3__36176.jpg

    LS Electric

    0626033863

    626033863, BK63H 1P D25A 10kA 120/240VAC UL1077

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

    $6.68
    Add to Cart
    $6.68
    Add to Cart
  • lsis-bk63h-2p-489__67367.jpg

    LS Electric

    0627050063

    627050063, BK63HU 2P C25A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, C-Curve, 25 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

    $33.59
    Add to Cart
    $33.59
    Add to Cart
  • lsis-bk63h-3p-489__61938.jpg

    LS Electric

    0628037063

    628037063, BK63HU 3P C63A 10kA 240VAC UL489

    MCB, UL489, 3-Pole, C-Curve, 63 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

    $69.60
    Add to Cart
    $69.60
    Add to Cart
  • lsis-bk63h-2p-489__45093.jpg

    LS Electric

    0627049963

    627049963, BK63HU 2P C20A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, C-Curve, 20 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

    $44.03
    Add to Cart
    $44.03
    Add to Cart
  • lsis-bk63h-3p-489__75693.jpg

    LS Electric

    0628036963

    628036963, BK63HU 3P C50A 10kA 240VAC UL489

    MCB, UL489, 3-Pole, C-Curve, 50 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

    $69.60
    Add to Cart
    $69.60
    Add to Cart
  • lsis-bk63h-1p_3__89531.jpg

    LS Electric

    0626052063

    626052063, BK63H 1P D30A 10kA 120/240VAC UL1077

    MCB, UL1077, 1-Pole, D-Curve, 30 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

    $6.68
    Add to Cart
    $6.68
    Add to Cart
  • lsis-bk63h-2p-489__33417.jpg

    LS Electric

    0627049863

    627049863, BK63HU 2P C16A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, C-Curve, 16 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

    $43.68
    Add to Cart
    $43.68
    Add to Cart
  • lsis-bk63h-1p_3__79531.jpg

    LS Electric

    0626051763

    626051763, BK63H 1P D5A 10kA 120/240VAC UL1077

    MCB, UL1077, 1-Pole, D-Curve, 5 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker

    $6.68
    Add to Cart
    $6.68
    Add to Cart
  • lsis-bk63h-3p-489__68140.jpg

    LS Electric

    0628036763

    628036763, BK63HU 3P C32A 10kA 240VAC UL489

    MCB, UL489, 3-Pole, C-Curve, 32 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

    $55.44
    Add to Cart
    $55.44
    Add to Cart
  • lsis-bk63h-2p-489__26302.jpg

    LS Electric

    0627056063

    627056063, BK63HU 2P B5A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, B-Curve, 5 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

    $33.59
    Add to Cart
    $33.59
    Add to Cart
  • lsis-bk63h-3p_4__53760.jpg

    LS Electric

    0628029263

    628029263, BK63H 3P C63A 10kA 240VAC UL1077

    MCB, UL1077, 3-Pole, C-Curve, 63 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

    $29.81
    Add to Cart
    $29.81
    Add to Cart
  • lsis-bk63h-2p-489__64845.jpg

    LS Electric

    0627055263

    627055263, BK63HU 2P B30A 10kA 240VAC UL489

    MCB, UL489, 2-Pole, B-Curve, 30 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker

    $33.59
    Add to Cart
    $33.59
    Add to Cart

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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