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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  • weg_umbw_489_3pole_13__74449.jpg

    Weg

    UMBW-4C3-15

    MCB, UL489, 3-Pole, C-Curve, 15 Amp (15A), 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series, Recommended Replacement for UMBW-4B3-15 (14361333), UMBW-4B3-16 (14361335) and UMBW-4C3-16 (13641892)

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    noark-b1e-1p-circuitbreak__17058.jpg
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    Noark

    B1E1C2

    Miniature Circuit Breaker, UL1077, 1-Pole, C-Curve, 2A, 5kA, 277VAC, Supplementary Protection

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    weg_umbw_1077_2pole_20__82135.jpg
    Available Now!

    Weg

    UMBW-1C2-20

    MCB, UL1077, 2-Pole, C-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    weg-umbw-1077-3p-cln_12__79939.jpg
    Available Now!

    Weg

    UMBW-1C3-15

    MCB, UL1077, 3-Pole, C-Curve, 15 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series This is the Recommended Replacement for UMBW-1B3-15 (14353254) , UMBW-1B3-16 (14353257) and UMBW-1C3-16 (14360250)

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