Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    Sale
    HDA36110 - Square D 110 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36110 - Square D - 110 Amp Molded Case Circuit Breaker
    I-Line Plug-In - 110 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $460 CAD
    JXD63B300L - Siemens 300 Amp 3 Pole 600 Volt Feed Thru Molded Case Circuit Breaker
    JXD63B300L - Siemens - 300 Amp Molded Case Circuit Breaker
    Bolt-In - 300 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    BJA36090 - Square D 90 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BJA36090 - Square D - 90 Amp Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $470 CAD
    FXD63B175L - Siemens - 175 Amp Molded Case Circuit Breaker
    FXD63B175L - Siemens - 175 Amp Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    THED113015 - GE 15 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    THED113015 - GE - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 1 Pole - 277 Volt
    GE
    THED136030 - GE - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    GE
    THED136040 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    GE
    THED136050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    GE
    THED136125 - GE - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    GE
    THED136150 - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    GE
    Limited availability
    TEB111030 - GE 30 Amp 1 Pole 120 Volt Molded Case Circuit Breaker General Electric Lug
    TEB111030 - GE - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 1 Pole - 120 Volt
    GE
    TED113040 - GE 40 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113040 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    GE
    TED136080 - GE 80 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136080 - GE - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    GE
    TED136090 - GE 90 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136090 - GE - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    GE
    TJK436Y400 - General Electric 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK436Y400 - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    LDA36600U31X - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36600U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt
    Schneider Electric
    HLA260302 - Square D 30 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HLA260302 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    FH36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $158 CAD
    Sale
    NGC308033E - Eaton - Molded Case Circuit Breaker
    NGC308033E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,600 CAD
    Sale
    JDL36250U31X - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    JDL36250U31X - Square D - Molded Case Circuit Breakers
    Feed Thru - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $659 CAD
    HQR23B125 - Siemens - Molded Case Circuit Breaker
    HQR23B125 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    Sale
    HMCP150U4 - Eaton - Molded Case Circuit Breaker
    HMCP150U4 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $316 CAD
    Sale
    NGC312032E - Eaton - Molded Case Circuit Breaker
    NGC312032E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $6,117 CAD
    Sale
    LGE3630NN - Eaton - Molded Case Circuit Breaker
    LGE3630NN - Eaton - Molded Case Circuit Breaker
    Bolt-On - 630 Amp - 3 Pole - 3 Volt
    Eaton Cutler-Hammer
    Save $1,637 CAD
    Sale
    HMCP025D0 - Eaton - Molded Case Circuit Breaker
    HMCP025D0 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 25 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $184 CAD
    Sale
    EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB36050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $510 CAD
    Sale
    EJB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB26040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $642 CAD
    Limited availability
    EJB36045 - Square D 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB36045 - Square D 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB36045 - Square D - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    ED43B090 - Siemens - Molded Case Circuit Breaker
    ED43B090 - Siemens - Molded Case Circuit Breaker
    ED43B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    CH120CAFA - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Molded Case Circuit Breakers
    CH120CAFA - Eaton - 20 Amp Molded Case Circuit Breakers
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    NGG3B060L - Siemens - Molded Case Circuit Breaker
    NGG3B060L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    EGB3015FFG - Eaton - Molded Case Circuit Breaker
    EGB3015FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $306 CAD
    QO315GFI - Square D 15 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO315GFI - Square D - Molded Case Circuit Breaker
    Plug-In - 15 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Limited availability
    CHOM2175BB - Square D 175 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    CHOM2175BB - Square D - Molded Case Circuit Breaker
    Plug-In - 175 Amp - 2 Pole - 240 Volt
    Schneider Electric
    BDL26100 - Square D 100 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    BDL26100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    NGH308032E - Eaton - Molded Case Circuit Breaker
    NGH308032E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $7,007 CAD
    Sale
    HKD3125 - Eaton - Molded Case Circuit Breaker
    HKD3125 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,780 CAD
    Sale
    HJL36070 - Square D - Molded Case Circuit Breaker
    HJL36070 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    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
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