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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    LS Electric

    0628033763

    628033763, BK63H 3P D10A 6kA 480Y/277VAC UL1077

    MCB, UL1077, 3-Pole, D-Curve, 10 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

  • Available Now!
    lsis-bk63h-2p-489__55482.jpg
    Available Now!

    LS Electric

    0627049263

    627049263, BK63HU 2P C1A 10kA 480Y/277VAC UL489

    MCB, UL489, 2-Pole, C-Curve, 1 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker

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    lsis-bk63h-1p_3__66640.jpg
    Available Now!

    LS Electric

    0626037063

    626037063, BK63H 1P D2A 6kA 277VAC UL1077

    MCB, UL1077, 1-Pole, D-Curve, 2 Amp, 6kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker

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    Available Now!

    LS Electric

    02050004UL

    2050004UL, UTE100E FTU 30A 3P LL UL

    MCCB, 3-Pole, 30 Amp, 25kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker

  • Available Now!
    lsis_ute100n_3pole_front_3__59086.jpg
    Available Now!

    LS Electric

    02050001UL

    2050001UL, UTE100E FTU 15A 3P LL UL

    MCCB, 3-Pole, 15 Amp, 25kA@480VAC, Fixed Thermal/Magnetic, Lugs Line/Load Side, 5.12 x 2.99 x 3.44" (HWD), Susol UL MCCB UTE100 Series, UL Listed, Molded Case Circuit Breaker

  • Available Now!
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    Weg

    UBW225N-FTU100-3A

    13713040 | Limited Stock Savings: 1 unit available at this price

    MCCB, 100A@480VAC, 35kA IC, with Lugs, 3-Pole, UL489, Fixed Thermal & Magnetic

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    Doepke

    3D60UL

    Limited Stock Savings: 1 unit available at this price

    Circuit Breaker, 3-Pole, D-Curve, 60 Amp, UL48910kA, Branch Circuit Protection, 240VAC

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    weg_umbw_1077_1pole_31__57586.jpg
    Available Now!

    Weg

    UMBW-1C1-4

    13915266, Replacement for UMBW-1B1-4 (14351335) | Limited Stock Savings: 6 units available at this price

    MCB, UL1077, 1-Pole, C-Curve, 4 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

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    weg_umbw_1077_2pole_14__18532.jpg
    Available Now!

    Weg

    UMBW-1C2-5

    14360116, Replacement for UMBW-1B2-5 (14361814)

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

  • Available Now!
    weg_umbw_1077_1pole_33__58030.jpg
    Available Now!

    Weg

    UMBW-1C1-3

    14353582, Replacement for UMBW-1B1-3 (14361513) | Limited Stock Savings: 4 units available at this price

    MCB, UL1077, 1-Pole, C-Curve, 3 Amp, 277VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • Available Now!
    weg_umbw_1077_2pole_15__87809.jpg
    Available Now!

    Weg

    UMBW-1C2-40

    13915503, Replacement for UMBW-1B2-40 (14352909) | Limited Stock Savings: 2 units available at this price

    MCB, UL1077, 2-Pole, C-Curve, 40 Amp, 277/480Y VAC, 5kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • Available Now!
    weg_umbw_1077_2pole_35__17525.jpg
    Available Now!

    Weg

    UMBW-1D2-20

    14361098

    MCB, UL1077, 2-Pole, D-Curve, 20 Amp, 277/480Y VAC, 5kA, 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