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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    noark-b1e-3p-circuitbreak__95449.jpg
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    Noark

    B1E3D20

    1000600

    Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 20A, 5kA, 480Y/277VAC, Supplementary Protection

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    noark-b1e-3p-circuitbreak__38070.jpg
    Available Now!

    Noark

    B1E3D63

    1000608 | Limited Stock Savings: 1 unit available at this price

    Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 63A, 5kA, 480Y/277VAC, Supplementary Protection

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    noark-b1e-1p-circuitbreak__20263.jpg
    Available Now!

    Noark

    B1E1C10

    1000449

    Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 10A, 5kA, 277VAC, Supplementary Protection

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    noark-b1e-1p-circuitbreak__55064.jpg
    Available Now!

    Noark

    B1E1C5

    1000446

    Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 5A, 5kA, 277VAC, Supplementary Protection

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    noark-b1e-1p-circuitbreak__49968.jpg
    Available Now!

    Noark

    B1E1C3

    1000444

    Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 3A, 5kA, 277VAC, Supplementary Protection

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    noark-1pole-bin-circuitbreak_1__61519.jpg
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    Noark

    B1N1D10

    1000053 | Limited Stock Savings: 4 units available at this price

    Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 10A, 240VAC/60VDC, 10kA, Box Lugs

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    noark-1pole-bin-circuitbreak_7__37947.jpg
    Available Now!

    Noark

    B1N1D30

    1000059, Advertised Pricing Limited to MWA Stock! | Limited Stock Savings: 15 units available at this price

    Miniature Circuit Breaker, UL489, 1-Pole, D-Curve, 30A, 240VAC/60VDC, 10kA, Box Lugs

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    noark-b1n-2pole_92__17194.jpg
    Available Now!

    Noark

    B1N2D8

    1000118 | Limited Stock Savings: 1 unit available at this price

    Miniature Circuit Breaker, UL489, 2-Poles, D-Curve, 8A, 240VAC/125VDC, 10kA, Box Lugs

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    noark-b1h-3pole_112__23524.jpg
    Available Now!

    Noark

    B1N3D50

    1000195 | Limited Stock Savings: 1 unit available at this price

    Miniature Circuit Breaker, UL489, 3-Poles, D-Curve, 50A, 240VAC, 10kA, Box Lugs

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    noark-b1h-3pole_104__39326.jpg
    Available Now!

    Noark

    B1N3C5

    1000160, | Limited Stock Savings: 8 units available at this price

    Miniature Circuit Breaker, UL489, 3-Poles, C-Curve, 5A, 240VAC, 10kA, Box Lugs

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