Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    LGB2B015B - Siemens - Molded Case Circuit Breaker
    LGB2B015B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    LGB1B025B - Siemens - Molded Case Circuit Breaker
    LGB1B025B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    Sale
    HGB3B025B - Siemens - Molded Case Circuit Breaker
    HGB3B025B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $154 CAD
    HGB2B125B - Siemens - Molded Case Circuit Breaker
    HGB2B125B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HED43B110 - Siemens - Molded Case Circuit Breaker
    HED43B110 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 110 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    CQD260 - Siemens - Molded Case Circuit Breaker
    CQD260 - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    Sale
    TEYH3035B - GE - Molded Case Circuit Breaker
    TEYH3035B - GE - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 3 Pole - 480 Volt
    GE
    Save $647 CAD
    Limited availability
    TEY330ST12 - GE 30 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY330ST12 - GE - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 480 Volt
    GE
    Sale
    EGS3020FFG - Eaton - Molded Case Circuit Breaker
    EGS3020FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $535 CAD
    Limited availability
    EGH3020FFG - Eaton - Molded Case Circuit Breaker
    EGH3020FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $725 CAD
    Limited availability
    EGH3015FFG - Eaton - Molded Case Circuit Breaker
    EGH3015FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $760 CAD
    QO310 - Square D - Molded Case Circuit Breaker
    QO310 - Square D - Molded Case Circuit Breaker
    Plug-In - 10 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QDA220704 - Square D 70 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QDA220704 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 70 Amp - 2 Pole - 240 Volt
    Schneider Electric
    QBA221501 - Square D 1500 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QBA221501 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 150 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Sale
    HGA260501 - Square D - Molded Case Circuit Breaker
    HGA260501 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $136 CAD
    Limited availability
    HGA260302 - Square D 30 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA260302 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    BDL36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BDL36125 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $329 CAD
    BDL26070 - Square D 70 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    BDL26070 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 2 Pole - 600 Volt
    Schneider Electric
    BDL26050 - Square D 50 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    BDL26050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    BDL26030 - Square D 30 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    BDL26030 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 2 Pole - 600 Volt
    Schneider Electric
    BDL26020 - Square D 20 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    BDL26020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    TQD32225ST1 - GE - Molded Case Circuit Breaker
    TQD32225ST1 - GE - Molded Case Circuit Breaker
    Bolt-On - 225 Amp - 3 Pole - 240 Volt
    GE
    TMQV32200 - GE - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 240 Volt
    GE
    TJJ436225WL - GE 225 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJJ436225WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    GE
    TJK636400WL - GE 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK636400WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    TJK636300WL - GE 300 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK636300WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    GE
    TJD432250WL - GE 250 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    TJD432250WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 240 Volt
    GE
    TJD432350WL - GE 350 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    TJD432350WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 240 Volt
    GE
    THQD22175WL - GE 175 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    THQD22175WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 2 Pole - 240 Volt
    GE
    SKPC3612L4XX - GE - Molded Case Circuit Breaker
    Bolt-On- 1200 Amp - 3 Pole - 600 Volt
    GE
    SKLL3612L3XX - GE - Molded Case Circuit Breaker
    Bolt-On- 1200 Amp - 3 Pole - 600 Volt
    GE
    SKLL3608L4XX - GE - Molded Case Circuit Breaker
    Bolt-On- 800 Amp - 3 Pole - 600 Volt
    GE
    SGPP36AT0400 - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGPP36AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On- 400 Amp - 3 Pole - 600 Volt
    GE
    Sale
    MJA36350 - Square D 350 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    MJA36350 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 350 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $3,214 CAD
    Sale
    MGA36350 - Square D 350 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    MGA36350 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 350 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $114 CAD
    Limited availability
    HGL26040 - Square D 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HGL26040 - Square D - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $170 CAD
    QBA32070 - Square D 70 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QBA32070 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 70 Amp - 3 Pole - 240 Volt
    Schneider Electric
    MD63B700 - Siemens - Molded Case Circuit Breaker
    MD63B700 - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 700 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    JXD63B350H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 350 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    JXD22B225 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 225 Amp - 2 Pole - 240 Volt
    Siemens/ITE
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