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-1C1-6

    13915323, Replacement for UMBW-1B1-6 (14351766)

    MCB, UL1077, 1-Pole, C-Curve, 6 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    Available Now!

    Weg

    UMBW-4C3-20

    13641894, Replacement for UMBW-4B3-20 (14361438)

    MCB, UL489, 3-Pole, C-Curve, 20 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    Available Now!

    Weg

    UMBW-1C1-5

    14353585, Replacement for UMBW-1B1-5 (14361538)

    MCB, UL1077, 1-Pole, C-Curve, 5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    Weg

    UMBW-1D3-50

    14361381

    MCB, UL1077, 3-Pole, D-Curve, 50 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    Available Now!

    Weg

    UMBW-4C1-15

    14361805, Replacement for UMBW-4B1-15 (14360169), UMBW-4B1-16 (14360170) and UMBW-4C1-16 (13634520) | Limited Stock Savings: 1 unit available at this price

    MCB, UL489, 1-Pole, C-Curve, 15 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series This is the Recommended Replacement for UMBW-4B1-15 (14360169), UMBW-4B1-16 (14360170) and UMBW-4C1-16 (13634520)

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    Weg

    UMBW-4C2-6

    13641167, Replacement for UMBW-4B2-6 (14363609)

    MCB, UL489, 2-Pole, C-Curve, 6 Amp, 277/480Y VAC, 125 VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    Available Now!

    Weg

    UMBW-4C1-10

    13634523, Replacement for UMBW-4B1-10 (14360098)

    MCB, UL489, 1-Pole, C-Curve, 10 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    weg_umbw_489_3pole_30__84632.jpg
    Available Now!

    Weg

    UMBW-4D3-10

    13642279 | Limited Stock Savings: 1 unit available at this price

    MCB, UL489, 3-Pole, D-Curve, 10 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    Available Now!

    Weg

    UMBW-1D3-20

    14361310

    MCB, UL1077, 3-Pole, D-Curve, 20 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    weg_umbw_1077_2pole_27__27395.jpg
    Available Now!

    Weg

    UMBW-1D2-6

    14361180, | Limited Stock Savings: 6 units available at this price

    MCB, UL1077, 2-Pole, D-Curve, 6 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    Doepke

    2D20UL

    Limited Stock Savings: 2 units available at this price

    Circuit Breaker, 2-Pole, D-Curve, 20 Amp, UL489, 10kA, Branch Circuit Protection, Molded Case

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    Doepke

    2D15UL

    This is the Recommended Replacement for 2DU15L | Limited Stock Savings: 2 units available at this price

    Circuit Breaker, 2-Pole, D-Curve, 15 Amp, UL489, 10kA, Branch Circuit Protection, Molded Case

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