Molded Case Breakers

7249 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7249 products
    THQC2115 - GE - Molded Case Circuit Breaker
    THQC2115 - GE - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 2 Pole - 240 Volt
    GE
    THQC1160 - GE - Molded Case Circuit Breaker
    THQC1160 - GE - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 1 Pole - 120 Volt
    GE
    THQC1150 - GE - Molded Case Circuit Breaker
    THQC1150 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 1 Pole - 120 Volt
    GE
    THQC1140 - GE - Molded Case Circuit Breaker
    THQC1140 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 120 Volt
    GE
    THQC1130 - GE - Molded Case Circuit Breaker
    THQC1130 - GE - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 1 Pole - 120 Volt
    GE
    THQC1125 - GE - Molded Case Circuit Breaker
    THQC1125 - GE - Molded Case Circuit Breaker
    Feed-Thru - 25 Amp - 1 Pole - 120 Volt
    GE
    THQC1120 - GE - Molded Case Circuit Breaker
    THQC1120 - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    GE
    Sale
    THJK636600 - GE - Molded Case Circuit Breaker
    THJK636600 - GE - Molded Case Circuit Breaker
    Feed-Thru - 600 Amp - 3 Pole - 600 Volt
    GE
    Save $9,494.01 CAD
    THJK436400 - GE - Molded Case Circuit Breaker
    THJK436400 - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    THJK436350 - GE - Molded Case Circuit Breaker
    THJK436350 - GE - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    GE
    THJK436300 - GE - Molded Case Circuit Breaker
    THJK436300 - GE - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    GE
    THJK436250 - GE - Molded Case Circuit Breaker
    THJK436250 - GE - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    GE
    ED63A125L - Siemens - Moded Case Circuit Breaker
    ED63A125L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A100L - Siemens - Moded Case Circuit Breaker
    ED63A100L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A050L - Siemens - Moded Case Circuit Breaker
    ED63A050L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A040L - Siemens - Moded Case Circuit Breaker
    ED63A040L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A030L - Siemens - Moded Case Circuit Breaker
    ED63A030L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A025L - Siemens - Moded Case Circuit Breaker
    ED63A025L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A005L - Siemens - Moded Case Circuit Breaker
    ED63A005L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 5 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A003L - Siemens - Moded Case Circuit Breaker
    ED63A003L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 3 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A002L - Siemens - Moded Case Circuit Breaker
    ED63A002L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 2 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63A001L - Siemens - Moded Case Circuit Breaker
    ED63A001L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 1 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED62B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    ED62B070 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 70 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    ED62B040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    ED62B030 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    ED61B045 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    ED61B035 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    ED61B025 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    Sale
    EDB3200L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $16.33 CAD
    Sale
    EDB3125L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $27.21 CAD
    EDB2225L - Eaton - Molded Case Circuit Breaker
    EDB2225L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 225 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    EDB2200L - Eaton - Molded Case Circuit Breaker
    EDB2200L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    EDB2150L - Eaton - Molded Case Circuit Breaker
    EDB2150L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    EDB2100L - Eaton - Molded Case Circuit Breaker
    EDB2100L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    HLD63B500 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 500 Amp - 3 Pole - 600 Volt
    Siemens
    Sale
    FBV36TE045R2 - GE 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FBV36TE045R2 - GE 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    GE
    Save $312.01 CAD
    Sale
    HQR23B125L - Siemens 125 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    HQR23B125L - Siemens - 125 Amp Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    Save $2,218.01 CAD
    Sale
    HQR23B250L - Siemens 250 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    HQR23B250L - Siemens - 250 Amp Molded Case Circuit Breaker
    Bolt-On - 250 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    Save $2,218.01 CAD
    Sale
    QBHW3090HS - Eaton Cutler-Hammer 90 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QBHW3090HS - Eaton - 90 Amp Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $1,267 CAD
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