Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    BWH2200 - Eaton - Molded Case Circuit Breaker
    BWH2200 - Eaton - Main Circuit Breaker
    Bolt On - 200 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    EDB3225L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    EDB3150L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $216 CAD
    HDA261252 - Square D 125 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HDA261252 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 125 Amp - 2 Pole - 600 Volt
    Schneider Electric
    EDB14060 - Square D 60 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EDB14060 - Square D - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 1 Pole - 277 Volt
    Schneider Electric
    LGG3B030L - Siemens - Molded Case Circuit Breaker
    LGG3B030L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Limited availability
    EJB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $840 CAD
    Sale
    EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $390 CAD
    Limited availability
    EGB26030 - Square D 30 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker
    EGB26030 - Square D 30 Amp 2 Pole 600 Volt Bolt-On Circuit Molded Case Breaker
    EGB26030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $77 CAD
    Limited availability
    EGB26015 - Square D 15 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker
    EGB26015 - Square D 15 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker
    EGB26015 - Square D - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $96 CAD
    Limited availability
    EGB16030 - Square D 30 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker
    EGB16030 - Square D 30 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker
    EGB16030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $57 CAD
    CQD215 - Siemens - Molded Case Circuit Breaker
    CQD215 - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    LDA36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36400U33X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LDA36600U33X - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36600U33X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt
    Schneider Electric
    JJA36250U44X - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    JJA36250U44X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    HJL36150M74 - Square D 150 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJL36150M74 - Square D - Molded Case Circuit Breaker
    Feed Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Sale
    LXD63B450H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 450 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $437 CAD
    Sale
    KDC3200 - Eaton - Molded Case Circuit Breaker
    KDC3200 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $851 CAD
    Sale
    JD3225 - Eaton - Molded Case Case Circuit Breakers
    JD3225 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 225 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $469 CAD
    Sale
    JDB3250 - Eaton - Molded Case Circuit Breaker
    JDB3250 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,626 CAD
    Sale
    HMCP400X5 - Eaton - Molded Case Circuit Breaker
    HMCP400X5 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $966 CAD
    Sale
    HKD3350 - Eaton - Molded Case Circuit Breaker
    HKD3350 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $854 CAD
    Sale
    FDC3225 - Eaton - Molded Case Circuit Breaker
    FDC3225 - Eaton - Molded Case Circuit Breaker
    Bolt On - 225 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $600 CAD
    Limited availability
    EGB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36080 - Square D - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    Sale
    EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    HDL26080 - Square D 80 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDL26080 - Square D - Molded Case Circuit Breaker
    Feed Thru - 80 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDL26020 - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDL26020 - Square D - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    BGA36090 - Square D 90 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $377 CAD
    Sale
    BDA36070 - Square D 70 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36070 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $290 CAD
    Sale
    BDA36025 - Square D 25 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36025 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 25 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $430 CAD
    THQD22100WL - GE 100 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    THQD22100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    Sale
    HJL36090 - Square D - Molded Case Circuit Breaker
    HJL36090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    Sale
    HGL26015 - Square D 15 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGL26015 - Square D - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $490 CAD
    HGA260151 - Square D 15 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA260151 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDL26040 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDL26040 - Square D - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA261251 - Square D 125 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA261251 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 125 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA261002 - Square D 100 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA261002 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    EGB24030 - Square D 30 Amp 2 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB24030 - Square D 30 Amp 2 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB24030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $77 CAD
    FBV36TE050RV - GE 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FBV36TE050RV - GE - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    GE
    Sale
    HGB3B125B - Siemens 125 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB3B125B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $482 CAD
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