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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Product Price Rating Action
  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S40T3L

    1100032

    MCCB, UL489, M1S, 3 Pole, 40 Amp (40A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 480VAC, 20kA @ 600VDC, 150 A Frame, Fixed Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker

  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S50T3L

    1100034

    MCCB, UL489, M1S, 3 Pole, 50 Amp (50A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 480VAC, 20kA @ 600VDC, 150 A Frame, Adjustable Thermal/Fixed Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker

  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S150T3L

    1102171

    MCCB, UL489, M1S, 3 Pole, 150 Amp (150A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame, Adjustable Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker

  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S70T3L

    1100036

    MCCB, UL489, M1S, 3 Pole, 70 Amp (70A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 480VAC, 20kA @ 600VDC, 150 A Frame, Adjustable Thermal/Fixed Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker

  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S20T3L

    1100028

    MCCB, UL489, M1S, 3 Pole, 20 Amp (20A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame, Fixed Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker

  • LSIS_02070129UL_Primary.jpg

    LS Electric

    02070129UL

    2070129UL, UTS150L FTU 40A 3P LL UL

    MCCB, 3 Pole, 40 Amp (40A), 150kA@240VAC, Fixed Thermal/Magnetic Trip, Lugs Line/Load Side, UL Listed, 6.50 x 4.13 x 3.44" (HWD), Susol UL MCCB UTS150 Series, Molded Case Circuit Breaker

  • noark_-_m3s300t3l_-_mccb__47920.jpg

    Noark

    M3S300T3L

    1100367

    MCCB, UL489, 400 A Frame Size, 50kA@600VDC, 65kA@240VAC, 42kA@480VAC, 18kA@600VAC, 300 Amp, Thermal-Magnetic Trip, 3-Pole, Lug Line/Load SIde Cable Lugs, Molded Case Circuit Breaker, EX9M3S Series

    $1,000.08
    $1,000.08
  • lsis_ute100n_3pole_front_21_1__12848.jpg

    LS Electric

    02050199UL

    2050199UL, UTE100NT FTU 40A 3P LL UL, NCNR

    MCCB, 3-Pole, 40 Amp, 35kA@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, Non-Cancellable, No Returns

  • LSIS_02050079UL_Primary.jpg

    LS Electric

    02050079UL

    UTE100N FMU 60A 3P LL UL, (NCNR), Replaced S-TD125NU-FMU-LL-60

    MCCB, 3-Pole, 60 Amp, 35ka@480VAC, Adjustable Thermal/Fixed 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, Non-Cancellable, No Returns

  • weg-umbw-489-2p-cln_5__96798.jpg

    Weg

    UMBW-4D2-30

    14405685, Replacement for UMBW-4D2-32 (13642159)

    MCB, UL489, 2-Pole, D-Curve, 30 Amp, 277/480VAC, 125VDC, 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