Moulded Case Circuit Breakers

478 products

    Shop our wide selection moulded case (MCCB) circuit breakers. 
    478 products
    LGB2K020B - Siemens - Molded Case
    LGB2K020B - Siemens - Molded Case
    Bolt-On - 20 Amp - 2 Pole - 600 V
    Siemens
    LGB2K015B - Siemens - Molded Case
    LGB2K015B - Siemens - Molded Case
    Bolt-On - 15 Amp - 2 Pole - 600 V
    Siemens
    LGB2B020B - Siemens - Molded Case
    LGB2B020B - Siemens - Molded Case
    Bolt-On - 20 Amp - 2 Pole - 600 V
    Siemens
    LGB1K030B - Siemens - Molded Case
    LGB1K030B - Siemens - Molded Case
    Bolt-On - 30 Amp - 1 Pole - 347 V
    Siemens
    LGB1K020B - Siemens - Molded Case
    LGB1K020B - Siemens - Molded Case
    Bolt-On - 20 Amp - 1 Pole - 347 V
    Siemens
    LGB1K015B - Siemens - Molded Case
    LGB1K015B - Siemens - Molded Case
    Bolt-On - 15 Amp - 1 Pole - 347 V
    Siemens
    LGB1B050B - Siemens - Molded Case
    LGB1B050B - Siemens - Molded Case
    Bolt-On - 50 Amp - 1 Pole - 347 V
    Siemens
    LGB1B045B - Siemens - Molded Case
    LGB1B045B - Siemens - Molded Case
    Bolt-On - 45 Amp - 1 Pole - 347 V
    Siemens
    LGB1B035B - Siemens - Molded Case
    LGB1B035B - Siemens - Molded Case
    Bolt-On - 35 Amp - 1 Pole - 347 V
    Siemens
    HQR23B175H - Siemens - Molded Case
    HQR23B175H - Siemens - Molded Case
    Bolt-On - 175 Amp - 3 Pole - 240 V
    Siemens
    HQR23B175 - Siemens - Molded Case
    HQR23B175 - Siemens - Molded Case
    Bolt-On - 175 Amp - 3 Pole - 240 V
    Siemens
    HQR23B100 - Siemens - Molded Case
    HQR23B100 - Siemens - Molded Case
    Bolt-On - 100 Amp - 3 Pole - 240 V
    Siemens
    HQR22B175 - Siemens - Molded Case
    HQR22B175 - Siemens - Molded Case
    Bolt-On - 175 Amp - 2 Pole - 240 V
    Siemens
    HLXD63B600H - Siemens - Molded Case
    HLXD63B600H - Siemens - Molded Case
    Bolt-On - 600 Amp - 3 Pole - 600 V
    Siemens
    HHFXD63B150 - Siemens - Molded Case
    HHFXD63B150 - Siemens - Molded Case
    Bolt-On - 150 Amp - 3 Pole - 600 V
    Siemens
    HHED63B015AL - Siemens - Molded Case
    HHED63B015AL - Siemens - Molded Case
    Feed-Thru - 15 Amp - 3 Pole - 600 V
    Siemens
    HGB3K125B - Siemens - Molded Case
    HGB3K125B - Siemens - Molded Case
    Bolt-On - 125 Amp - 3 Pole - 600 V
    Siemens
    HGB3K100B - Siemens - Molded Case
    HGB3K100B - Siemens - Molded Case
    Bolt-On - 100 Amp - 3 Pole - 600 V
    Siemens
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    HGB3K090B - Siemens - Molded Case
    HGB3K090B - Siemens - Molded Case
    Bolt-On - 90 Amp - 3 Pole - 600 V
    Siemens
    HGB3K080B - Siemens - Molded Case
    HGB3K080B - Siemens - Molded Case
    Bolt-On - 80 Amp - 3 Pole - 600 V
    Siemens
    HGB3K070B - Siemens - Molded Case
    HGB3K070B - Siemens - Molded Case
    Bolt-On - 70 Amp - 3 Pole - 600 V
    Siemens
    HGB3K060B - Siemens - Molded Case
    HGB3K060B - Siemens - Molded Case
    Bolt-On - 60 Amp - 3 Pole - 600 V
    Siemens
    HGB3K040B - Siemens - Molded Case
    HGB3K040B - Siemens - Molded Case
    Bolt-On - 40 Amp - 3 Pole - 600 V
    Siemens
    HGB3K035B - Siemens - Molded Case
    HGB3K035B - Siemens - Molded Case
    Bolt-On - 35 Amp - 3 Pole - 600 V
    Siemens
    HGB3K030B - Siemens - Molded Case
    HGB3K030B - Siemens - Molded Case
    Bolt-On - 30 Amp - 3 Pole - 600 V
    Siemens
    HGB3K025B - Siemens - Molded Case
    HGB3K025B - Siemens - Molded Case
    Bolt-On - 25 Amp - 3 Pole - 600 V
    Siemens
    HGB3K020B - Siemens - Molded Case
    HGB3K020B - Siemens - Molded Case
    Bolt-On - 20 Amp - 3 Pole - 600 V
    Siemens
    HGB3K015B - Siemens - Molded Case
    HGB3K015B - Siemens - Molded Case
    Bolt-On - 15 Amp - 3 Pole - 600 V
    Siemens
    HGB3B110B - Siemens - Molded Case
    HGB3B110B - Siemens - Molded Case
    Bolt-On - 110 Amp - 3 Pole - 600 V
    Siemens
    HGB2K125B - Siemens - Molded Case
    HGB2K125B - Siemens - Molded Case
    Bolt-On - 125 Amp - 2 Pole - 600 V
    Siemens
    HGB2K100B - Siemens - Molded Case
    HGB2K100B - Siemens - Molded Case
    Bolt-On - 100 Amp - 2 Pole - 600 V
    Siemens
    HGB2K090B - Siemens - Molded Case
    HGB2K090B - Siemens - Molded Case
    Bolt-On - 90 Amp - 2 Pole - 600 V
    Siemens
    HGB2K070B - Siemens - Molded Case
    HGB2K070B - Siemens - Molded Case
    Bolt-On - 70 Amp - 2 Pole - 600 V
    Siemens
    HGB2K050B - Siemens - Molded Case
    HGB2K050B - Siemens - Molded Case
    Bolt-On - 50 Amp - 2 Pole - 600 V
    Siemens
    HGB2K040B - Siemens - Molded Case
    HGB2K040B - Siemens - Molded Case
    Bolt-On - 40 Amp - 2 Pole - 600 V
    Siemens
    HGB2K030B - Siemens - Molded Case
    HGB2K030B - Siemens - Molded Case
    Bolt-On - 30 Amp - 2 Pole - 600 V
    Siemens
    HGB2K020B - Siemens - Molded Case
    HGB2K020B - Siemens - Molded Case
    Bolt-On - 20 Amp - 2 Pole - 600 V
    Siemens
    HGB2K015B - Siemens - Molded Case
    HGB2K015B - Siemens - Molded Case
    Bolt-On - 15 Amp - 2 Pole - 600 V
    Siemens
    HGB1B050B - Siemens - Molded Case
    HGB1B050B - Siemens - Molded Case
    Bolt-On - 50 Amp - 1 Pole - 347 V
    Siemens
    Sold Out
    HGB1B045B - Siemens - Molded Case
    HGB1B045B - Siemens - Molded Case
    Bolt-On - 45 Amp - 1 Pole - 347 V
    Siemens
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