Molded Case Breakers

206 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    206 products
    EHD1050 - Eaton - Molded Case Circuit Breaker
    EHD1050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    ED41B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    ED21B050L - Siemens - Molded Case Circuit Breaker
    ED21B050L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    CED63A050L - Siemens - Molded Case Circuit Breaker
    CED63A050L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HMCPS100R3W - Eaton Molded Case Circuit Breaker
    HMCPS100R3W - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCPS100R3 - Eaton Molded Case Circuit Breaker
    HMCPS100R3 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCPS050K2Y - Eaton Molded Case Circuit Breaker
    HMCPS050K2Y - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCPS050K2X - Eaton Molded Case Circuit Breaker
    HMCPS050K2X - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCPE070M2W - Eaton Molded Case Circuit Breakers
    HMCPE070M2W - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    HMCPE070M2 - Eaton Molded Case Circuit Breakers
    HMCPE070M2 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    HMCPE050K2Y - Eaton Molded Case Circuit Breaker
    HMCPE050K2Y - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    HMCPE050K2X - Eaton Molded Case Circuit Breaker
    HMCPE050K2X - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Sale
    THQC32050 - GE - Molded Case Circuit Breaker
    THQC32050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 240 Volt
    GE
    Save $43.01 CAD
    Sold Out
    THQC2150 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 240 Volt
    GE
    THQC1150 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 1 Pole - 120 Volt
    GE
    ED63A050L - Siemens - Moded Case Circuit Breaker
    ED63A050L - Siemens - Moded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED62B050 - Siemens - Moded Case Circuit Breaker
    Bolt-On - 50 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    HHED63B050L - Siemens - 50 Amp Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HED42B050L - Siemens 50 Amp 2 Pole 480 Volt Feed Thru Molded Case Circuit Breaker
    HED42B050L - Siemens - 50 Amp Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    HED41B050L - Siemens 50 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HED41B050L - Siemens - 50 Amp Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    ED61B050 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    THED124050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 480 Volt
    GE
    TEB122050 - GE 50 Amp 2 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB122050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 240 Volt
    GE
    TEB132050 - GE 50 Amp 3 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB132050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 240 Volt
    GE
    TEB111050 - GE 50 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    TEB111050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 1 Pole - 120 Volt
    GE
    TED113050 - GE 50 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 1 Pole - 277 Volt
    GE
    TED124050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 480 Volt
    GE
    TED134050 - GE 50 Amp 3 Pole 480 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED134050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 480 Volt
    GE
    TED136050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    GE
    TEYL3050B - GE 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL3050B - GE - Molded Case Circuit Breaker
    Bolt-On- 50 Amp - 3 Pole - 480 Volt
    GE
    TEYH3050B - GE 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYH3050B - GE - Molded Case Circuit Breaker
    Bolt-On- 50 Amp - 3 Pole - 480 Volt
    GE
    TEB111050WL - GE 50 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    TEB111050WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 1 Pole - 120 Volt
    GE
    Sale
    FHL360501021 - Square D - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,512 CAD
    HLL26050 - Square D - Molded Case Circuit Breaker
    HLL26050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    BJA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BJA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    EDB34050SA - Square D 50 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    EDB34050SA - Square D - Molded Case Circuit Breakers
    Bolt On - 50 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    EJB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EJB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EJB16050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 347 Volt
    Schneider Electric
    Save $57 CAD
    Sale
    EJB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EJB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EJB14050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $57 CAD
    Sale
    EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB36050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $510 CAD
    Sale
    EGB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EGB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EGB16050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $57 CAD
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