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-489-2p-cln_14__75171.jpg

    Weg

    UMBW-4C2-13

    MCB, UL489, 2-Pole, C-Curve, 13 Amp, 277/480VAC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series This is the Recommended Replacement for UMBW-4B2-12 (14360539), UMBW-4B2-13 (14360541) and UMBW-4C2-12 (14362035)

  • weg-umbw-489-2p-cln__39938.jpg

    Weg

    UMBW-4C2-30

    MCB, UL489, 2-Pole, C-Curve, 30 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series This is the Recommended Replacement for UMBW-4B2-30 (14405530), UMBW-4B2-32 (14405533), UMBW-4C2-32 (13641785)

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    weg_umbw_489_2pole_7__70493.jpg
    Available Now!

    Weg

    UMBW-4C2-50

    MCB, UL489, 2-Pole, C-Curve, 50 Amp, 277/480Y VAC, 125 VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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