Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    HJXD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    HFXD63B250 - Siemens - Molded Case Circuit Breaker
    HFXD63B250 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 250 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $1,000 CAD
    Sale
    HFXD63B200 - Siemens - Molded Case Circuit Breaker
    HFXD63B200 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 200 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $1,054 CAD
    Sale
    HFXD63B175 - Siemens - Molded Case Circuit Breaker
    HFXD63B175 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 175 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $1,082 CAD
    HEB3B050B - Siemens - Molded Case Circuit Breaker
    HEB3B050B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HEB3B040B - Siemens - Molded Case Circuit Breaker
    HEB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HEB2B060B - Siemens - Molded Case Circuit Breaker
    HEB2B060B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 60 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    Sale
    FXD63H150 - Siemens - Molded Case Circuit Breaker
    FXD63H150 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 150 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $400 CAD
    Sale
    FXD63B250 - Siemens - Molded Case Circuit Breaker
    FXD63B250 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 250 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $400 CAD
    Sale
    FXD63B080 - Siemens - Molded Case Circuit Breaker
    FXD63B080 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 80 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    Sale
    FXD63A150 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 150 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $500 CAD
    FXD62B250 - Siemens - Molded Case Circuit Breaker
    FXD62B250 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 250 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    ED63B025L - Siemens - Molded Case Circuit Breaker
    ED63B025L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 25 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED62B030L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    ED43B060L - Siemens - Molded Case Circuit Breaker
    ED43B060L - Siemens - Molded Case Circuit Breaker
    ED43B060L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B045L - Siemens - Molded Case Circuit Breaker
    ED43B045L - Siemens - Molded Case Circuit Breaker
    ED43B045L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 45 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B035L - Siemens - Molded Case Circuit Breaker
    ED43B035L - Siemens - Molded Case Circuit Breaker
    ED43B035L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 35 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B020L - Siemens - Molded Case Circuit Breaker
    ED43B020L - Siemens - Molded Case Circuit Breaker
    ED43B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED42B015L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED23B020L - Siemens - Molded Case Circuit Breaker
    ED23B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    ED22B060L - Siemens - Molded Case Circuit Breaker
    ED22B060L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    Limited availability
    E2N1S - Siemens - Molded Case Circuit Breaker
    E2N1S - Siemens - Molded Case Circuit Breaker
    100 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    CMD63B800 - Siemens - Molded Case Circuit Breaker
    CMD63B800 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CLD63B600 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 600 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CJD63B350 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 350 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CFD63B250 - Siemens - Molded Case Circuit Breaker
    CFD63B250 - Siemens - Molded Case Circuit Breaker
    CFD63B250 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 250 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    TJK4K - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 600 Volt
    GE
    Limited availability
    TED1K - GE - Mounting Hardware
    150 Amp - 600 Volt
    GE
    TQD32175WL - GE - Molded Case Circuit Breaker
    TQD32175WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 240 Volt
    GE
    TQD32150WL - GE - Molded Case Circuit Breaker
    TQD32150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 240 Volt
    GE
    TQD32100WL - GE - Molded Case Circuit Breaker
    TQD32100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    GE
    TJK436F000 - GE 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK436F000 - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    THQD32150WL - GE 150 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    THQD32150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 240 Volt
    GE
    THQC32080WL - GE - Molded Case Circuit Breaker
    THQC32080WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 240 Volt
    GE
    THQC32050WL - GE - Molded Case Circuit Breaker
    THQC32050WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 240 Volt
    GE
    THQC2170WL - GE - Molded Case Circuit Breaker
    THQC2170WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 2 Pole - 240 Volt
    GE
    THED136150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    GE
    THED136070WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    GE
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