Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    BDA160155 - Square D - Molded Case Circuit Breaker
    BDA160155 - Square D - Molded Case Circuit Breaker
    I-Line Style Plug-In - 15 Amp - 1 Pole - 600 V
    Schneider Electric
    P250 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 50 Amp - 1 Pole - 240V
    Siemens
    NFK3B250L - Siemens - Molded Case Circuit Breakers
    Siemens
    3RV2021-4EA10 - Siemens - Molded Case Circuit Breakers
    3RV2021-4EA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    3RV2021-4AA10 - Siemens - Molded Case Circuit Breakers
    3RV2021-4AA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    3RV2021-1KA10 - Siemens - Molded Case Circuit Breakers
    3RV2021-1KA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    3RV1913-1CA00 - Siemens - Molded Case Circuit Breakers
    3RV1913-1CA00 - Siemens - Molded Case Circuit Breakers
    Siemens
    3RV2021-4DA10 - Siemens - Molded Case Circuit Breakers
    3RV2021-4DA10 - Siemens - Molded Case Circuit Breakers
    25 Amp - 3 Pole - 690V
    Siemens
    3RV2011-4AA10 - Siemens - Molded Case Circuit Breakers
    3RV2011-4AA10 - Siemens - Molded Case Circuit Breakers
    16 Amp
    Siemens
    3RV2011-1GA10 - Siemens - Molded Case Circuit Breakers
    3RV2011-1GA10 - Siemens - Molded Case Circuit Breakers
    6.3 Amp - 3 Pole - 600V
    Siemens
    3RV2011-1CA10 - Siemens - Molded Case Circuit Breakers
    3RV2011-1CA10 - Siemens - Molded Case Circuit Breakers
    3 PoleV
    Siemens
    3RV2011-0JA10 - Siemens - Molded Case Circuit Breakers
    3RV2011-0JA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    SJD69400NT - Siemens - Molded Case
    SJD69400NT - Siemens - Molded Case
    Siemens
    ND63B120 - Siemens - Molded Case
    ND63B120 - Siemens - Molded Case
    Siemens
    LGB3K050B - Siemens - Molded Case
    LGB3K050B - Siemens - Molded Case
    Siemens
    HMD63B800 - Siemens - Molded Case
    HMD63B800 - Siemens - Molded Case
    Siemens
    HJD63B300 - Siemens - Molded Case
    HJD63B300 - Siemens - Molded Case
    Siemens
    HEM3M100L - Siemens - Molded Case
    HEM3M100L - Siemens - Molded Case
    Siemens
    FHOFBO - Siemens - Molded Case
    FHOFBO - Siemens - Molded Case
    Siemens
    Limited availability
    BE215H - Siemens - Molded Case
    BE215H - Siemens - Molded Case
    Bolt-On - 15 Amp - 2 Pole - 240 V
    Siemens
    QR23B250 - Siemens - Molded Case
    QR23B250 - Siemens - Molded Case
    Bolt-On - 250 Amp - 3 Pole - 240 V
    Siemens
    LGB3K100B - Siemens - Molded Case
    LGB3K100B - Siemens - Molded Case
    Bolt-On - 100 Amp - 3 Pole - 600 V
    Siemens
    LGB3K040B - Siemens - Molded Case
    LGB3K040B - Siemens - Molded Case
    Bolt-On - 40 Amp - 3 Pole - 600 V
    Siemens
    LGB2K050B - Siemens - Molded Case
    LGB2K050B - Siemens - Molded Case
    Bolt-On - 50 Amp - 2 Pole - 600 V
    Siemens
    Sale
    HGB3K080B - Siemens - Molded Case
    HGB3K080B - Siemens - Molded Case
    Bolt-On - 80 Amp - 3 Pole - 600 V
    Siemens
    Save $259 CAD
    Sale
    HGB3K020B - Siemens - Molded Case
    HGB3K020B - Siemens - Molded Case
    Bolt-On - 20 Amp - 3 Pole - 600 V
    Siemens
    Save $228 CAD
    Sale
    KD3400FS - Eaton - Molded Case
    KD3400FS - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $834 CAD
    Sale
    FDB1030 - Eaton - Molded Case
    FDB1030 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $65 CAD
    Sale
    CH235 - Eaton - Molded Case Circuit Breakers
    Plug-In - 35 Amp - 2 Pole - 240V
    Eaton
    Save $22 CAD
    Sale
    CH130 - Eaton - Molded Case Circuit Breakers
    Plug-In - 30 Amp - 1 Pole - 120V
    Eaton
    Save $7 CAD
    Sale
    CAH3200 - Eaton - Molded Case
    CAH3200 - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 200 Amp - 3 Pole - 240V
    Eaton
    Save $838 CAD
    Limited availability
    BD3050 - Eaton - Molded Case Circuit Breakers
    BD3050 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $12 CAD
    Limited availability
    BD3040 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $12 CAD
    Sale
    BD1530 - Eaton - Molded Case Circuit Breakers
    BD1530 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $18 CAD
    Sale
    BAB1100 - Eaton - Molded Case Circuit Breakers
    BAB1100 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $49.20 CAD
    Sale
    QCR2020 - Eaton - Molded Case Circuit Breakers
    QCR2020 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $15 CAD
    Limited availability
    QBHW3080HS - Eaton - Molded Case Circuit Breakers
    QBHW3080HS - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $332 CAD
    Limited availability
    QBHCAF1015 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $118 CAD
    Sale
    QBGFEP2030W1 - Eaton - Molded Case Circuit Breakers
    QBGFEP2030W1 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $220 CAD
    Sale
    KG3400 - Eaton - Molded Case Circuit Breakers
    KG3400 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $677 CAD
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