Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    Sale
    HGB3B060B - Siemens 60 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB3B060B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $154 CAD
    Sale
    HGB3B030B - Siemens 30 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB3B030B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $154 CAD
    NGG2B080L - Siemens - Molded Case Circuit Breaker
    NGG2B080L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    Sale
    LGB3B060B - Siemens 60 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    LGB3B060B - Siemens - Molded Case Circuit Breaker
    Bolt On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $439 CAD
    NGG2B100L - Siemens 100 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    NGG2B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    Limited availability
    NGG2B060L - Siemens 60 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    NGG2B060L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HDA260502 - Square D 50 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260502 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA260501 - Square D 50 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260501 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA260402 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260402 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    EJB34030 - Square D 30 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34030 - Square D 30 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    EGB34090 - Square D 90 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34090 - Square D 90 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $260 CAD
    NGG3B100L - Siemens - Molded Case Circuit Breaker
    NGG3B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HFD63B200 - Siemens - Molded Case Circuit Breaker
    HFD63B200 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Limited availability
    ED61B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    ED43B125 - Siemens - Molded Case Circuit Breaker
    ED43B125 - Siemens - Molded Case Circuit Breaker
    ED43B125 - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B080 - Siemens - Molded Case Circuit Breaker
    ED43B080 - Siemens - Molded Case Circuit Breaker
    ED43B080 - Siemens - Molded Case Circuit Breaker
    Bolt On - 80 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B045 - Siemens - Molded Case Circuit Breaker
    ED43B045 - Siemens - Molded Case Circuit Breaker
    ED43B045 - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B030 - Siemens - Molded Case Circuit Breaker
    ED43B030 - Siemens - Molded Case Circuit Breaker
    ED43B030 - Siemens - Molded Case Circuit Breaker
    Bolt On - 30 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED23B040 - Siemens 40 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    ED23B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    ED23B030 - Siemens 30 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    ED23B030 - Siemens - Molded Case Circuit Breaker
    Bolt On - 30 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    ED21B015 - Siemens - Molded Case Circuit Breaker
    ED21B015 - Siemens - Molded Case Circuit Breaker
    Bolt On - 15 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    ED61B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    QR23B225 - Siemens - Molded Case Circuit Breaker
    QR23B225 - Siemens - Molded Case Circuit Breaker
    Bolt On - 225 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QR23B100 - Siemens - Molded Case Circuit Breaker
    QR23B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QR22B100 - Siemens - Molded Case Circuit Breaker
    QR22B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QJH23B225 - Siemens - Molded Case Circuit Breaker
    QJH23B225 - Siemens - Molded Case Circuit Breaker
    Bolt On - 225 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QJH22B200 - Siemens - Molded Case Circuit Breaker
    QJH22B200 - Siemens - Molded Case Circuit Breaker
    Bolt On - 200 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QJH22B150 - Siemens - Molded Case Circuit Breaker
    QJH22B150 - Siemens - Molded Case Circuit Breaker
    Bolt On - 150 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QJ23B150 - Siemens - Molded Case Circuit Breaker
    QJ23B150 - Siemens - Molded Case Circuit Breaker
    Bolt On - 150 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QJ23B125 - Siemens - Molded Case Circuit Breaker
    QJ23B125 - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Limited availability
    NGB3B125B - Siemens - Molded Case Circuit Breaker
    NGB3B125B - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $1,009 CAD
    Sale
    NGB3B100B - Siemens - Molded Case Circuit Breaker
    NGB3B100B - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $322 CAD
    Sale
    NGB3B080B - Siemens - Molded Case Circuit Breaker
    NGB3B080B - Siemens - Molded Case Circuit Breaker
    Bolt On - 80 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $296 CAD
    Sale
    NGB3B060B - Siemens - Molded Case Circuit Breaker
    NGB3B060B - Siemens - Molded Case Circuit Breaker
    Bolt On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $129 CAD
    Sale
    NGB3B040B - Siemens - Molded Case Circuit Breaker
    NGB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $122 CAD
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    ND63F120 - Siemens - Molded Case Circuit Breaker
    ND63F120 - Siemens - Frame
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    MD63F800 - Siemens - Molded Case Circuit Breaker
    MD63F800 - Siemens - Frame
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    LXD63S600A - Siemens - Molded Case Circuit Breaker
    Bolt On - 600 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    LXD63B600 - Siemens - Molded Case Circuit Breaker
    Bolt On - 600 Amp - 3 Pole - 480 Volt
    Siemens / ITE
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