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
  • GSB633PC50

    Carlo Gavazzi

    GSB633PC50

    Supplementary Circuit Protector, UL1077, 3 Pole, C Curve, 50A Overload Range, 480Y/277VAC, 5kA, DIN Rail Mounting, GSB63 Series, Manufacturer Minimum Order 4 Pieces, Price per Piece

  • M1H100T3L

    Noark

    M1H100T3L

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

  • M1H15T3L

    Noark

    M1H15T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 15 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1H20T3L

    Noark

    M1H20T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 20 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1H25T3L

    Noark

    M1H25T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 25 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1H30T3L

    Noark

    M1H30T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 30 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1H35T3L

    Noark

    M1H35T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 35 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H 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

  • 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

  • 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

  • M1H60T3L

    Noark

    M1H60T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 60 Amp, Thermal Magnetic Trip, 3-Pole, Lug Line/Load Side Connection, EX9M1H Series

  • M1H70T3L

    Noark

    M1H70T3L

    Molded Case Circuit Breaker, MCCB, UL489, M1H, 150 A Frame Size, 150kA @ 240VAC/100kA @ 480VAC, 70 Amp, Thermal Magnetic Trip, 3-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