Molded Case Breakers

218 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    218 products
    Sale
    EJB24020 - Square D 20 Amp 2 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EJB24020 - Square D 20 Amp 2 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EJB24020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $150 CAD
    HED43B020 - Siemens - Molded Case Circuit Breaker
    HED43B020 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    Sale
    HGL26020 - Square D - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $170 CAD
    HGA260204 - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA260204 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HGA260202 - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA260202 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HGB2B020B - Siemens 20 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB2B020B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HGB1B020B - Siemens 20 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    HGB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    BG320 - Siemens - Molded Case Circuit Breaker
    BG320 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Sold Out
    HB3B020 - Siemens 20 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    HB3B020 - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    NGG2B020L - Siemens 20 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    NGG2B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    LGB1B020B - Siemens 20 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    LGB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    HDA260202 - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260202 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA260201 - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260201 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    EJB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB14020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $63 CAD
    NGG3B020L - Siemens - Molded Case Circuit Breaker
    NGG3B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HHED63B020 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HED42B020 - Siemens - Molded Case Circuit Breaker
    HED42B020 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    Sold Out
    CQD220 - Siemens - Molded Case Circuit Breaker
    CQD220 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    CED63B020 - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    ED62B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    NGB3B020B - Siemens - Molded Case Circuit Breaker
    NGB3B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NGB2B020B - Siemens - Molded Case Circuit Breaker
    NGB2B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    NEB3B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NEB2B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    NEB1B020B - Siemens - Molded Case Circuit Breaker
    NEB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    HHED62B020L - Siemens - Molded Case Circuit Breaker
    HHED62B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    HEB3B020B - Siemens - Molded Case Circuit Breaker
    HEB3B020B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 20 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HEB2B020B - Siemens - Molded Case Circuit Breaker
    HEB2B020B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 20 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HEB1B020B - Siemens 20 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    HEB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 20 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    ED42B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED41B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    ED23B020L - Siemens - Molded Case Circuit Breaker
    ED23B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    ED22B020L - Siemens - Molded Case Circuit Breaker
    ED22B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    ED21B020L - Siemens - Molded Case Circuit Breaker
    ED21B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    CED63B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    THQC32020WL - GE - Molded Case Circuit Breaker
    THQC32020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 240 Volt
    GE
    THED124020WL - GE 20 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    THED124020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 2 Pole - 480 Volt
    GE
    THED113020WL - GE 20 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    THED113020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    GE
    TEY120 - GE - Molded Case Circuit Breaker
    TEY120 - GE - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 2 Volt
    GE
    TED134020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 480 Volt
    GE
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