Molded Case Breakers

7249 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7249 products
    CRD316T33W - Eaton - Molded Case Circuit Breakers
    CRD316T33W - Eaton - Molded Case Circuit Breakers
    Bolt-On - 1600 Amp - 3 Pole - 600 V
    Eaton
    Sale
    GHQRSP1030 - Eaton - Molded Case
    GHQRSP1030 - Eaton - Molded Case Circuit Breakers
    Bolt-On - 30 Amp - 1 Pole - 480V
    Eaton
    Save $131 CAD
    SHJD6B400LSI - Siemens - Molded Case Circuit Breaker
    400 Amp - 3 Pole - 600V
    Siemens
    SCJD6B400LSI - Siemens - Molded Case Circuit Breaker
    400 Amp - 3 Pole - 600V
    Siemens
    SCJD6B400LI - Siemens - Molded Case Circuit Breaker
    400 Amp - 3 Pole - 600V
    Siemens
    NFK3B100L - Siemens - Molded Case Circuit Breaker
    100 Amp - 3 Pole - 480V
    Siemens
    NEG3B045L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 480V
    Siemens
    HBLQR - Siemens - Molded Case Circuit Breaker
    250 Amp - Pole - 240V
    Siemens
    CRHOESD - Siemens - Molded Case Circuit Breaker
    3 Pole
    Siemens
    BQ2B010 - Siemens - Molded Case Circuit Breaker
    BQ2B010 - Siemens - Molded Case Circuit Breaker
    Amp - 2 Pole - 120V
    Siemens
    3RV2021-1HA10 - Siemens - Molded Case Circuit Breaker
    3RV2021-1HA10 - Siemens - Molded Case Circuit Breaker
    104 Amp
    Siemens
    3RV2021-1GA10 - Siemens - Molded Case Circuit Breaker
    3RV2021-1GA10 - Siemens - Molded Case Circuit Breaker
    82 Amp
    Siemens
    3RV2021-1EA10 - Siemens - Molded Case Circuit Breaker
    3RV2021-1EA10 - Siemens - Molded Case Circuit Breaker
    52 Amp
    Siemens
    QOU1100 - Square D - Molded Case Circuit Breakers
    QOU1100 - Square D - Molded Case Circuit Breakers
    Bolt-On - 100 Amp - 1 Pole - 120 V
    Schneider Electric
    QOB31001021 - Square D - Molded Case Circuit Breakers
    QOB31001021 - Square D - Molded Case Circuit Breakers
    Bolt-On - 100 Amp - 3 Pole - 240 V
    Schneider Electric
    QOB2801021 - Square D - Molded Case Circuit Breakers
    QOB2801021 - Square D - Molded Case Circuit Breakers
    Bolt-On - 80 Amp - 2 Pole - 120 V
    Schneider Electric
    QOB2401021 - Square D - Molded Case Circuit Breakers
    QOB2401021 - Square D - Molded Case Circuit Breakers
    Bolt-On - 40 Amp - 2 Pole - 120 V
    Schneider Electric
    QOB220SWN - Square D - Molded Case Circuit Breakers
    QOB220SWN - Square D - Molded Case Circuit Breakers
    Bolt-On - 20 Amp - 2 Pole - 120 V
    Schneider Electric
    QOB2151021 - Square D - Molded Case Circuit Breakers
    QOB2151021 - Square D - Molded Case Circuit Breakers
    Bolt-On - 15 Amp - 2 Pole - 120 V
    Schneider Electric
    Sale
    QOB120VH1021 - Square D - Molded Case Circuit Breakers
    QOB120VH1021 - Square D - Molded Case Circuit Breakers
    Bolt-On - 20 Amp - 1 Pole - 120 V
    Schneider Electric
    Save $151 CAD
    QJL32175 - Square D - Molded Case Circuit Breakers
    QJL32175 - Square D - Molded Case Circuit Breakers
    Feed-Thru - 175 Amp - 3 Pole - 240 V
    Schneider Electric
    QJL22125 - Square D - Molded Case Circuit Breakers
    QJL22125 - Square D - Molded Case Circuit Breakers
    Feed-Thru - 125 Amp - 2 Pole - 240 V
    Schneider Electric
    Limited availability
    QHB320 - Square D - Molded Case Circuit Breakers
    QHB320 - Square D - Molded Case Circuit Breakers
    Bolt-On - 20 Amp - 3 Pole - 240 V
    Schneider Electric
    QHB215 - Square D - Molded Case Circuit Breakers
    QHB215 - Square D - Molded Case Circuit Breakers
    Bolt-On - 15 Amp - 2 Pole - 240 V
    Schneider Electric
    QGL32110 - Square D - Molded Case Circuit Breakers
    QGL32110 - Square D - Molded Case Circuit Breakers
    Feed-Thru - 110 Amp - 3 Pole - 240 V
    Schneider Electric
    QGL22125 - Square D - Molded Case Circuit Breakers
    QGL22125 - Square D - Molded Case Circuit Breakers
    Feed-Thru - 125 Amp - 2 Pole - 240 V
    Schneider Electric
    QGA32110 - Square D - Molded Case Circuit Breakers
    QGA32110 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 110 Amp - 3 Pole - 240 V
    Schneider Electric
    QGA32080 - Square D - Molded Case Circuit Breakers
    QGA32080 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 80 Amp - 3 Pole - 240 V
    Schneider Electric
    QGA222254 - Square D - Molded Case Circuit Breakers
    QGA222254 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 225 Amp - 2 Pole - 240 V
    Schneider Electric
    QGA222251 - Square D - Molded Case Circuit Breakers
    QGA222251 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 225 Amp - 2 Pole - 240 V
    Schneider Electric
    QGA221752 - Square D - Molded Case Circuit Breakers
    QGA221752 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 175 Amp - 2 Pole - 240 V
    Schneider Electric
    QGA221502 - Square D - Molded Case Circuit Breakers
    QGA221502 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 150 Amp - 2 Pole - 240 V
    Schneider Electric
    QGA221254 - Square D - Molded Case Circuit Breakers
    QGA221254 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 125 Amp - 2 Pole - 240 V
    Schneider Electric
    Limited availability
    QGA221002 - Square D - Molded Case Circuit Breakers
    QGA221002 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 100 Amp - 2 Pole - 240 V
    Schneider Electric
    QDP22200TM - Square D - Molded Case Circuit Breakers
    QDP22200TM - Square D - Molded Case Circuit Breakers
    Bolt-On - 200 Amp - 2 Pole - 240 V
    Schneider Electric
    QDP22100TM - Square D - Molded Case Circuit Breakers
    QDP22100TM - Square D - Molded Case Circuit Breakers
    Bolt-On - 100 Amp - 2 Pole - 240 V
    Schneider Electric
    QDA222252 - Square D - Molded Case Circuit Breakers
    QDA222252 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 225 Amp - 2 Pole - 240 V
    Schneider Electric
    QDA221754 - Square D - Molded Case Circuit Breakers
    QDA221754 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 175 Amp - 2 Pole - 240 V
    Schneider Electric
    QDA221751 - Square D - Molded Case Circuit Breakers
    QDA221751 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 175 Amp - 2 Pole - 240 V
    Schneider Electric
    QDA221102 - Square D - Molded Case Circuit Breakers
    QDA221102 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 110 Amp - 2 Pole - 240 V
    Schneider Electric
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