Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    BQ240230 - Eaton - Molded Case Circuit Breaker
    BQ240230 - Eaton - Molded Case Circuit Breaker
    30 Amp - 2 Pole - 240 Volt
    Eaton
    BQC220230 - Eaton - Molded Case Circuit Breaker
    BQC220230 - Eaton - Molded Case Circuit Breaker
    30 Amp - 2 Pole - 240 Volt
    Eaton
    BQC240240 - Eaton - Molded Case Circuit Breaker
    BQC240240 - Eaton - Molded Case Circuit Breaker
    40 Amp - 2 Pole - 240 Volt
    Eaton
    BQC2302115 - Eaton - Circuit breaker
    BQC2302115 - Eaton - Circuit Breakers
    30 Amp -2 Pole - 240 Volt
    Eaton
    3VA4150-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4150-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    50 Amp - 3 Pole - 600 Volt
    Siemens
    3VA4170-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4170-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    70 Amp - 3 Pole - 600 Volt
    Siemens
    3VA4140-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4140-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    40 Amp - 3 Pole - 600 Volt
    Siemens
    3VA4110-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4110-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    100 Amp - 3 Pole - 600 Volt
    Siemens
    Limited availability
    PDG23P0100TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0100TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 100 Amp - 3 pole - 600 Volt
    Eaton
    PDG23M0060TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23M0060TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton
    BDL36100 - Square D - Molded Case Circuit Breakers
    BDL36100 - Square D - Molded Case Circuit Breakers
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Square D
    BDA34030Y - Square D - Molded Case Circuit Breakers
    BDA34030Y - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 30 Amp - 3 Pole - 480 Volt
    Square D
    PGL36060 - Square D - Molded Case Circuit Breakers
    PGL36060 - Square D - Molded Case Circuit Breakers
    Feed-Thru - 600 Amp - 3 Pole - 600 V
    Schneider Electric
    HLA36110 - Square D - Molded Case Circuit Breakers
    HLA36110 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 110 Amp - 3 Pole - 600 V
    Schneider Electric
    HLA36025 - Square D - Molded Case Circuit Breakers
    HLA36025 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 25 Amp - 3 Pole - 600 V
    Schneider Electric
    TECL36030 - General Electrics - Molded Case Circuit Breakers
    TECL36030 - General Electrics - Molded Case Circuit Breakers
    Feed-Thru - 30 Amp - 3 Pole - 600 V
    GE
    FBV36TE060RV - General Electrics - Molded Case Circuit Breakers
    FBV36TE060RV - General Electrics - Molded Case Circuit Breakers
    Bolt-On - 60 Amp - 3 Pole - 600 V
    GE
    Limited availability
    THQMV200D - General Electrics - Molded Case Circuit Breakers
    THQMV200D - General Electrics - Molded Case Circuit Breakers
    Plug-In - 200 Amp - 2 Pole - 120 V
    GE
    THHQL2160 - General Electrics - Molded Case Circuit Breakers
    THHQL2160 - General Electrics - Molded Case Circuit Breakers
    Plug-In - 60 Amp - 2 Pole - 240 V
    GE
    QDA221001 - Square D - Molded Case Circuit Breaker
    QDA221001 - Square D - Molded Case Circuit Breaker
    I-Line Style Plug-In - 100 Amp - 2 Pole - 240 V
    Schneider Electric
    PKA36080U43A - Square D - Molded Case Circuit Breaker
    PKA36080U43A - Square D - Molded Case Circuit Breaker
    I-Line Style Plug-In - 800 Amp - 3 Pole - 600 V
    Schneider Electric
    CHOM2200BB - Square D - Molded Case Circuit Breaker
    CHOM2200BB - Square D - Molded Case Circuit Breaker
    Plug-In - 200 Amp - 2 Pole - 240 V
    Schneider Electric
    BDA160205 - Square D - Molded Case Circuit Breaker
    BDA160205 - Square D - Molded Case Circuit Breaker
    I-Line Style Plug-In - 20 Amp - 1 Pole - 600 V
    Schneider Electric
    SHLD69600NT - Siemens - Molded Case
    SHLD69600NT - Siemens - Molded Case
    Siemens
    FD63B200 - Siemens - Molded Case
    FD63B200 - Siemens - Molded Case
    Bolt-On - 200 Amp - 3 Pole - 600 V
    Siemens
    Sale
    CH220 - Eaton - Molded Case Circuit Breakers
    Plug-In - 20 Amp - 2 Pole - 240
    Eaton
    Save $19 CAD
    Sale
    QCF1040 - Eaton - Molded Case Circuit Breakers
    QCF1040 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $8 CAD
    Sale
    GD3100 - Eaton - Molded Case Circuit Breakers
    GD3100 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $353 CAD
    Sale
    FG3225 - Eaton - Molded Case Circuit Breakers
    FG3225 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $1,237 CAD
    CH115AF - Eaton - Molded Case
    CH115AF - Eaton - Molded Case
    Plug-In - 15 Amp - 1 Pole - 3V
    Eaton
    Sale
    PDG23F0100TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23F0100TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $176 CAD
    Sale
    PDG22F0030TFFJ - Eaton - Molded Case Circuit Breaker
    PDG22F0030TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $106 CAD
    QRH22B100L - Siemens - Molded Case Circuit Breaker
    QRH22B100L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    QR22B100L - Siemens - Molded Case Circuit Breaker
    QR22B100L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    Sale
    FDC3125 - Eaton - Molded Case Circuit Breaker
    FDC3125 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    FDC3080 - Eaton - Nolded Case Circuit Breakers
    FDC3080 - Eaton - Molded Case Circuit Breakers
    Bolt-On - 80 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $741 CAD
    Sale
    FDC3070 - Eaton - MoldedCase Circuit Breakers
    FDC3070 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $425 CAD
    Sale
    FDC3020 - Eaton - MoldedCase Circuit Breakers
    FDC3020 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $696 CAD
    Sale
    FDB2040 - Eaton - Molded Case Circuit Breaker
    FDB2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $27 CAD
    FDB1015 - Eaton Cutler-Hammer 15 Amp 1 Pole 347 Volt Molded Case Circuit Breaker
    FDB1015 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 347 Volt
    Eaton Cutler-Hammer
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