Molded Case Breakers

7530 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7530 products
    CH140 - Eaton - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    HJL36060 - Square D - Molded Case Circuit Breaker
    HJL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    EJB36060 - Square D 60 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36060 - Square D 60 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36060 - Square D - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    HJL36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJL36125 - Square D - Molded Case Circuit Breaker
    Feed Thru - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Sale
    EGB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    Sale
    BDA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    CED63B125 - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B060 - Siemens - Molded Case Circuit Breaker
    Bolt On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    QRH23B200 - Siemens - Molded Case Circuit Breaker
    QRH23B200 - Siemens - Molded Case Circuit Breaker
    Bolt On - 200 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QN2150 - Siemens - Molded Case Circuit Breaker
    QN2150 - Siemens - Molded Case Circuit Breaker
    Plug In - 150 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QJ22B200 - Siemens - Molded Case Circuit Breaker
    QJ22B200 - Siemens - Molded Case Circuit Breaker
    Bolt On - 200 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    TED136040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    GE
    Sale
    HFD3225L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $500 CAD
    Sale
    FDC3200L - Eaton - Molded Case Circuit Breaker
    FDC3200L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $742 CAD
    FD3020L - Eaton - Molded Case Circuit Breaker
    FD3020L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    EHD2030L - Eaton - Molded Case Circuit Breaker
    EHD2030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    ED2200L - Eaton - Molded Case Circuit Breaker
    ED2200L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $120 CAD
    QGA32100 - Square D - Molded Case Circuit Breaker
    QGA32100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QBL22225 - Square D 225 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL22225 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Sale
    HJA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HDA36150 - Square D 150 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36150 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $522 CAD
    Sale
    HDA36025 - Square D 25 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36025 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 25 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $120 CAD
    Sale
    QDL32200 - Square D - Molded Case Circuit Breaker
    QDL32200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Save $184 CAD
    SGHA36AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    THQLT2020 - General Electrics - Molded Case Circuit Breakers
    THQLT2020 - General Electrics - Molded Case Circuit Breakers
    20 Amp - 1 Pole - 120 Volt
    General Electrics
    BQ2502115 - Eaton - Molded Case Circuit Breaker
    BQ2502115 - Eaton - Molded Case Circuit Breaker
    50 Amp - 2 Pole - 240 Volt
    Eaton
    3VA4160-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4160-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    60 Amp - 3 Pole - 600 Volt
    Siemens
    THQL1120PAF2 - General Electrics - Molded Case Circuit Breaker
    THQL1120PAF2 - GE - Arc Fault Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    General Electric
    THQP245 - General Electrics - Molded Case Circuit Breakers
    THQP245 - General Electrics - Molded Case Circuit Breakers
    Plug-In - 45 Amp - 2 Pole - 120 V
    GE
    Q2030 - Siemens - Molded Case
    Q2030 - Siemens - Molded Case
    Plug-In - 30 Amp - 2 Pole - 240 V
    Siemens
    Sale
    FDB3080 - Eaton - Molded Case Circuit Breaker
    FDB3080 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $180 CAD
    Sale
    FDB3070 - Eaton - Molded Case Circuit Breaker
    FDB3070 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $83 CAD
    FD3175 - Eaton - Molded Case Circuit Breaker
    FD3175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    FD2040 - Eaton - Molded Case Circuit Breaker
    FD2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    Sale
    FD2030 - Eaton - Molded Case Circuit Breaker
    FD2030 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    TED136020 - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    GE
    TED136150 - GE 150 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136150 - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    GE
    ED63B035 - Siemens - Molded Case Circuit Breaker
    ED63B035 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Limited availability
    HRA36060U31X - Square D - Molded Case Circuit Breaker
    HRA36060U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $848 CAD
    Sale
    EGB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB34020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $162 CAD
    Recently viewed