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
  • M1H50T3L

    Noark

    M1H50T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 50 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1H50T22L

    Noark

    M1H50T22L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 50 Amp, Thermal Magnetic Trip, 2-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1N35T22L

    Noark

    M1N35T22L

    Molded Case Circuit Breaker, MCCB, UL489, M1N, 150 A Frame Size, 100kA @ 240VAC / 65kA @ 480VAC, 35 Amp, Thermal-Magnetic Trip, 2-Pole, Lug Line/Load Side Connection, EX9M1N Series

  • M1N35T1L

    Noark

    M1N35T1L

    Molded Case Circuit Breaker, MCCB, UL489, M1N, 150 A Frame Size, 100kA @ 240VAC / 65kA @ 480VAC, 35 Amp, Thermal-Magnetic Trip, 1-Pole, Lug Line/Load Side Connection Connection, EX9M1N Series

  • M1H45T3L

    Noark

    M1H45T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 45 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1N30T3L

    Noark

    M1N30T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1N, 150 A Frame Size, 100kA @ 240VAC / 65kA @ 480VAC, 30 Amp, Thermal-Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1N Series

  • M1H45T22L

    Noark

    M1H45T22L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 45 Amp, Thermal Magnetic Trip, 2-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1N30T22L

    Noark

    M1N30T22L

    Molded Case Circuit Breaker, MCCB, UL489, M1N, 150 A Frame Size, 100kA @ 240VAC / 65kA @ 480VAC, 30 Amp, Thermal-Magnetic Trip, 2-Pole, Lug Line/Load Side Connection, EX9M1N Series

  • Available Now!
    M1H40T3L
    Available Now!

    Noark

    M1H40T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 40 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1N30T1L

    Noark

    M1N30T1L

    Molded Case Circuit Breaker, MCCB, UL489, M1N, 150 A Frame Size, 100kA @ 240VAC / 65kA @ 480VAC, 30 Amp, Thermal-Magnetic Trip, 1-Pole, Lug Line/Load Side Connection Connection, EX9M1N Series

  • M1N25T3L

    Noark

    M1N25T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1N, 150 A Frame Size, 100kA @ 240VAC / 65kA @ 480VAC, 25 Amp, Thermal-Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1N Series

  • M1H40T22L

    Noark

    M1H40T22L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 40 Amp, Thermal Magnetic Trip, 2-Pole, Lug Line/Load Side Connection, EX9M1H 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