Molded Case Breakers

7508 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7508 products
    QJH22B150 - Siemens - Molded Case Circuit Breaker
    QJH22B150 - Siemens - Molded Case Circuit Breaker
    Bolt On - 150 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QJ23B150 - Siemens - Molded Case Circuit Breaker
    QJ23B150 - Siemens - Molded Case Circuit Breaker
    Bolt On - 150 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Sale
    NGB3B125B - Siemens - Molded Case Circuit Breaker
    NGB3B125B - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $1,009 CAD
    Sale
    NGB3B100B - Siemens - Molded Case Circuit Breaker
    NGB3B100B - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $322 CAD
    Sale
    NGB3B080B - Siemens - Molded Case Circuit Breaker
    NGB3B080B - Siemens - Molded Case Circuit Breaker
    Bolt On - 80 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $296 CAD
    Sale
    NGB3B060B - Siemens - Molded Case Circuit Breaker
    NGB3B060B - Siemens - Molded Case Circuit Breaker
    Bolt On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $129 CAD
    Sale
    NGB3B040B - Siemens - Molded Case Circuit Breaker
    NGB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $122 CAD
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    ND63F120 - Siemens - Molded Case Circuit Breaker
    ND63F120 - Siemens - Frame
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    MD63F800 - Siemens - Molded Case Circuit Breaker
    MD63F800 - Siemens - Frame
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    LXD63S600A - Siemens - Molded Case Circuit Breaker
    Bolt On - 600 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    LXD63B600 - Siemens - Molded Case Circuit Breaker
    Bolt On - 600 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    JXD63S400A - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    JXD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    JXD63B350 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 350 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    JXD63B300 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 300 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    JD63T250 - Siemens 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit
    JD63T250 - Siemens - Trip Unit
    Feed Thru - 250 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Limited availability
    JD63T200 - Siemens 200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit
    JD63T200 - Siemens - Trip Unit
    Feed Thru - 200 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Limited availability
    HEB3B100B - Siemens - Molded Case Circuit Breaker
    HEB3B100B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HEB3B015B - Siemens - Molded Case Circuit Breaker
    HEB3B015B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 15 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    FXD63B125 - Siemens - Molded Case Circuit Breaker
    FXD63B125 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 125 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    Sale
    FXD63B090 - Siemens - Molded Case Circuit Breaker
    FXD63B090 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 90 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    ED63B090L - Siemens - Molded Case Circuit Breaker
    ED63B090L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 90 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63B080L - Siemens - Molded Case Circuit Breaker
    ED63B080L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 80 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63B070L - Siemens - Molded Case Circuit Breaker
    ED63B070L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63B050L - Siemens - Molded Case Circuit Breaker
    ED63B050L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A025 - Siemens - Molded Case Circuit Breaker
    ED63A025 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 25 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A003 - Siemens - Molded Case Circuit Breaker
    ED63A003 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 3 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED42B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED23B100L - Siemens - Molded Case Circuit Breaker
    ED23B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    CND63B120 - Siemens - Molded Case Circuit Breaker
    CND63B120 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CFD63B200 - Siemens - Molded Case Circuit Breaker
    CFD63B200 - Siemens - Molded Case Circuit Breaker
    CFD63B200 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B050L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B030L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    TJK636F000 - GE 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK636F000 - GE - Frame
    Feed-Thru - 600 Amp - 3 Pole - 600 Volt
    GE
    THQD32200WL - GE 200 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    THQD32200WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 240 Volt
    GE
    THQC32060WL - GE - Molded Case Circuit Breaker
    THQC32060WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 240 Volt
    GE
    Limited availability
    THQC2190WL - GE - Molded Case Circuit Breaker
    THQC2190WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 2 Pole - 240 Volt
    GE
    THQC2145WL - GE - Molded Case Circuit Breaker
    THQC2145WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 2 Pole - 240 Volt
    GE
    THQC2140WL - GE - Molded Case Circuit Breaker
    THQC2140WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    GE
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