Molded Case Breakers

7508 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7508 products
    QBL32150 - Square D 150 Amp 3 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL32150 - Square D - Molded Case Circuit Breaker
    Feed_thru - 150 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Sale
    LAL36400 - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LAL36400 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $848 CAD
    Sale
    HLL36150 - Square D - Molded Case Circuit Breaker
    HLL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,026 CAD
    Sale
    HLL36040 - Square D - Molded Case Circuit Breaker
    HLL36040 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,010 CAD
    Sale
    HLA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $910 CAD
    Sale
    FAL36020 - Square D 20 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $96 CAD
    FAL34020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    FA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $455 CAD
    Limited availability
    EDB36035 - Square D 35 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB36035 - Square D - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $234 CAD
    Sale
    EDB26020 - Square D 20 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB26020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $569 CAD
    EDB24060 - Square D 60 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24060 - Square D - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 2 Pole - 480 Volt
    Schneider Electric
    EDB24020 - Square D 20 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Sale
    HJL36030 - Square D - Molded Case Circuit Breaker
    HJL36030 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    HGL36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    HDL36070 - Square D 70 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36070 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $270 CAD
    Sale
    HDA36125 - Square D 125 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36125 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $438 CAD
    Sale
    HDA36100 - Square D 100 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $520 CAD
    Sale
    HDA36090 - Square D 90 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $420 CAD
    Sale
    JJL36250 - Square D - Molded Case Circuit Breaker
    JJL36250 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,730 CAD
    Sale
    JJA36250 - Square D - Molded Case Circuit Breaker
    JJA36250 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,210 CAD
    Sale
    JLA36200
    JLA36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $620 CAD
    Sale
    QDL22200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Save $157 CAD
    SGLA36AT0600 - GE - Molded Case Circuit Breaker
    SGLA36AT0600 - GE - Molded Case Circuit Breaker
    SGLA36AT0600 - GE - Molded Case Circuit Breaker
    Bolt-On - 600 Amp - 3 Pole - 600 Volt
    GE
    Sale
    SGLA36AT0400 - GE - Molded Case Circuit Breaker
    SGLA36AT0400 - GE - Molded Case Circuit Breaker
    SGLA36AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    Save $990 CAD
    Sale
    hkd3400f - Eaton - Molded Case Circuit Breaker
    HKD3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $791 CAD
    3VA5220-5EC31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5220-5EC31-0AA0 - Siemens - Molded Case Circuit Breakers
    200 Amp - 3 Pole - 600 Volt
    Siemens
    THQLT2020 - General Electrics - Molded Case Circuit Breakers
    THQLT2020 - General Electrics - Molded Case Circuit Breakers
    20 Amp - 1 Pole - 120 Volt
    General Electrics
    3VA4130-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4130-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    125 Amp - 3 Pole - 480 Volt
    Siemens
    Limited availability
    CE3030B - Federal Pioneer Horizon - Molded Case Circuit Breaker
    Horizon - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    BQC2402120 - Eaton - Molded Case Circuit Breaker
    BQC2402120 - Eaton - Molded Case Circuit Breaker
    40 Amp - 2 Pole - 240 Volt
    Eaton
    3VA4195-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4195-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    15 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
    PDG23G0060TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23G0060TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 60 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
    3VA5220-6ED31-0AA0 - Siemens - Molded Case Circuit Breaker
    3VA5220-6ED31-0AA0 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    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
    THQP245 - General Electrics - Molded Case Circuit Breakers
    THQP245 - General Electrics - Molded Case Circuit Breakers
    Plug-In - 45 Amp - 2 Pole - 120 V
    GE
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