Molded Case Breakers

2888 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    2888 products
    Sale
    HJA36045 - Square D 45 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36045 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HJA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HGL36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36125 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $820 CAD
    Sale
    HGL36080 - Square D 80 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36080 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    HGA36090 - Square D 90 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $200 CAD
    Sale
    HGA36080 - Square D 80 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36080 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $200 CAD
    Sale
    HGA36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    HGA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    HGA36045 - Square D 45 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36045 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $140 CAD
    Sale
    HGA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    HGA36035 - Square D 35 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36035 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 35 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HGA36025 - Square D 25 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36025 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 25 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $340 CAD
    Sale
    HGA36015 - Square D 15 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36015 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    HDL36090 - Square D 90 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $270 CAD
    Sale
    HDL36080 - Square D 80 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36080 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $270 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
    HDA36080 - Square D 80 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36080 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $480 CAD
    Sale
    HDA36070 - Square D 70 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36070 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $440 CAD
    Sale
    HDA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $460 CAD
    Sale
    HDA36045 - Square D 45 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36045 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $260 CAD
    Sale
    HDA36035 - Square D 35 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36035 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 35 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    JLL36225 - Square D - Molded Case Circuit Breaker
    JLL36225 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,176 CAD
    Sale
    JLL36150 - Square D - Molded Case Circuit Breaker
    JLL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $622 CAD
    Sale
    JJL36225 - Square D - Molded Case Circuit Breaker
    JJL36225 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,300 CAD
    Sale
    JJL36175 - Square D - Molded Case Circuit Breaker
    JJL36175 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $43 CAD
    Sale
    JJL36150 - Square D - Molded Case Circuit Breaker
    JJL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $599 CAD
    Sale
    JJA36225 - Square D - Molded Case Circuit Breaker
    JJA36225 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 225 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $780 CAD
    Sale
    JJA36175 - Square D - Molded Case Circuit Breaker
    JJA36175 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $645 CAD
    Sale
    JGA36175 - Square D - Molded Case Circuit Breaker
    JGA36175 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $820 CAD
    Sale
    JLA36225 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 225Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $640 CAD
    Sold Out
    QDL32250 - Square D 250 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32250 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDL32175 - Square D 175 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32175 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDL32150 - Square D 150 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDL32125 - Square D 125 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32125 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDL32110 - Square D 110 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32110 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 110 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDL32100 - Square D 100 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDL32090 - Square D 90 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Sold Out
    QDL32080 - Square D 80 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32080 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDL32070 - Square D 70 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32070 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 240 Volt
    Schneider Electric
    SGPA36AT0600 - GE 600 amp 3 pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGPA36AT0600 - GE - Molded Case Circuit Breaker
    Bolt-On - 600 Amp - 3 Pole - 600 Volt
    GE
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