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

 

Style:
Product Price Rating Action
  • ls_electric_-_uts1200_-_mccb__54668.jpg

    LS Electric

    02142577UL

    MCCB, 3 Pole, 1200 Amp (1200A), HT Breaking Capacity, NG0 Trip, Lugs Line/Load Side, UL, Molded Case Circuit Breaker, Non-Cancellable, No Returns

    $6,333.04
    $6,333.04
  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S125T3L

    MCCB, UL489, M1S, 3 Pole, 125 Amp (125A), 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

    M1S30T3L

    MCCB, UL489, M1S, 3 Pole, 30 Amp (30A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame Size, Fixed Thermal/Magnetic Trip, Lug Line/Load Side Connection, Molded Case Circuit Breaker

  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S100T3L

    MCCB, UL489, M1S, 3 Pole, 100 Amp (100A), 50kA @ 240VAC, 35kA @ 480VAC, 14kA @ 600VAC, 20kA @ 600VDC, 150 A Frame Size, Adjustable Thermal/Magnetic Trip, Line/Load Lug Connection, Molded Case Circuit Breaker

  • noark_-_m1s125t3l_-_mccb__18442.jpg

    Noark

    M1S40T3L

    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

    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

    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

    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

    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

    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

    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

    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

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