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

    13646579, Replacement for UMBW-4B2-12 (14360539), UMBW-4B2-13 (14360541) and UMBW-4C2-12 (14362035)

    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-1077-2p-cln_11__04764.jpg

    Weg

    UMBW-1C2-1.6

    14361466, Replacement for UMBW-1B2-1.6 (14361734)

    MCB, UL1077, 2-Pole, C-Curve, 1.6 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-489-2p-cln_15__59171.jpg

    Weg

    UMBW-4C2-1.6

    14364079, Replacement for UMBW-4B2-1.6 (14363939)

    MCB, UL489, 2-Pole, C-Curve, 1.6 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-1077-2p-cln_12__70184.jpg

    Weg

    UMBW-1C2-1.5

    14359617, Replacement for UMBW-1B2-1.5 (14361733)

    MCB, UL1077, 2-Pole, C-Curve, 1.5 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-489-2p-cln_16__06534.jpg

    Weg

    UMBW-4C2-1.5

    14362029, Replacement for UMBW-4B2-1.5 (14360497)

    MCB, UL489, 2-Pole, C-Curve, 1.5 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-1077-2p-cln_13__50658.jpg

    Weg

    UMBW-1C2-1.2

    14361898, Replacement for UMBW-1B2-1.2 (14361545)

    MCB, UL1077, 2-Pole, C-Curve, 1.2 Amp, 277/480VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-489-2p-cln_17__07489.jpg

    Weg

    UMBW-4C2-1.2

    14364078, Replacement for UMBW-4B2-1.2 (14363938)

    MCB, UL489, 2-Pole, C-Curve, 1.2 Amp, 277/480VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-1077-1p-cln_8__25618.jpg

    Weg

    UMBW-1C1-35

    14411734, Alternative for UMBW-1B1-35 (14361517)

    MCB, UL1077, 1-Pole, C-Curve, 35 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-1077-1p-cln_9__78192.jpg

    Weg

    UMBW-1C1-1.6

    14361872, Replacement for UMBW-1B1-1.6 (14361509)

    MCB, UL1077, 1-Pole, C-Curve, 1.6 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-489-1p-cln_6__78152.jpg

    Weg

    UMBW-4C1-8

    14361957, Replacement for UMBW-4B1-7 (14360489), UMBW-4B1-8 (14360492) and UMBW-4C1-7 (14361956)

    MCB, UL489, 1-Pole, C-Curve, 8 Amp, 277VAC/60VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-1077-1p-cln_10__40665.jpg

    Weg

    UMBW-1C1-1.5

    14353525, This is the Recommended Rerplacement for UMBW-1B1-1.5 (14361508)

    MCB, UL1077, 1-Pole, C-Curve, 1.5 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • weg-umbw-489-1p-cln_14__74149.jpg

    Weg

    UMBW-4C1-60

    14361951, Replacement for UMBW-4B1-60 (14360415), UMBW-4B1-63 (14360488), and UMBW-4C1-63 (14361954)

    MCB, UL489, 1-Pole, C-Curve, 60 Amp, 120VAC/60VDC, 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