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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  • Available Now!
    noark_b1e_3pole_27__77712.jpg
    Available Now!

    Noark

    B1E3B25

    1000559 | Limited Stock Savings: 1 unit available at this price

    Miniature Circuit Breaker, UL1077, 3-Poles, B-Curve, 25A, 5kA, 480Y/277VAC, Supplementary Protection

    $32.80
    Add to Cart
    $32.80
    Add to Cart
  • Available Now!
    noark-b1n-2pole_78__19738.jpg
    Available Now!

    Noark

    B1N2C6

    1000095

    Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 6A, 240VAC/125VDC, 10kA, Box Lugs

    $36.87
    Add to Cart
    $36.87
    Add to Cart
  • Available Now!
    noark_b1e_3pole_39__65066.jpg
    Available Now!

    Noark

    B1E3D50

    1000606

    Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 50A, 5kA, 480Y/277VAC, Supplementary Protection

    $43.11
    Add to Cart
    $43.11
    Add to Cart
  • Available Now!
    noark_b1e_3pole_38__55416.jpg
    Available Now!

    Noark

    B1E3D60

    1000607 | Limited Stock Savings: 1 unit available at this price

    Miniature Circuit Breaker, UL1077, 3-Poles, D-Curve, 60A, 5kA, 480Y/277VAC, Supplementary Protection

    $30.03
    Add to Cart
    $30.03
    Add to Cart
  • Available Now!
    noark_b1e_3pole_36__25329.jpg
    Available Now!

    Noark

    B1E3P80

    1000678

    Miniature Circuit Breaker, UL1077, 3-Poles, 80A, 5kA, 480Y/277VAC, Supplementary Protection

    $51.38
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    $51.38
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  • Available Now!
    noark-b1-nha-1pole-edit_70__34401.jpg
    Available Now!

    Noark

    B1N1C30

    1000037, Replacement for B1NQ1C30

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

    $17.57
    Add to Cart
    $17.57
    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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