Molded Case Breakers

746 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    746 products
    CQD270 - Siemens - Molded Case Circuit Breaker
    CQD270 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    CQD250 - Siemens - Molded Case Circuit Breaker
    CQD250 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    CQD240 - Siemens - Molded Case Circuit Breaker
    CQD240 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    CQD230 - Siemens - Molded Case Circuit Breaker
    CQD230 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    Sold Out
    CQD220 - Siemens - Molded Case Circuit Breaker
    CQD220 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    LXD63L600 - Siemens - Molded Case Circuit Breaker
    Bolt On - 600 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    LXD63H600 - Siemens - Molded Case Circuit Breaker
    Bolt On - 600 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    LXD63B500 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 500 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    LXD63B450 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 450 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    Sold Out
    JXD63L400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    JXD63H400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B110L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 110 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    Sale
    ED43B100L - Siemens 100 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    ED43B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    Save $100 CAD
    ED43B090L - Siemens 90 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    ED43B090L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 90 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B080L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 80 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B070L - Siemens 70 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    ED43B070L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B050L - Siemens 50 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    ED43B050L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B045L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 45 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B040L - Siemens 40 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    ED43B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B035L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 35 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B030L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B025L - Siemens 25 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    ED43B025L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 25 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B015L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED42B125L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 125 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B110L - Siemens 110 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    ED42B110L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 110 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B090L - Siemens 90 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    ED42B090L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 90 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B080L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 80 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B070L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B060L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B050L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B045L - Siemens 45 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    ED42B045L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 45 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B035L - Siemens 35 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    ED42B035L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 35 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B030L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B025L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 25 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED42B015L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    THED124100WL - GE 100 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    THED124100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 480 Volt
    GE
    THED124060WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 2 Pole - 480 Volt
    GE
    THED124050WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 480 Volt
    GE
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