Moulded Case Circuit Breakers

478 products

    Shop our wide selection moulded case (MCCB) circuit breakers. 
    478 products
    BL2-015 - Siemens - Molded Case Circuit Breakers
    Siemens
    $243.99 CAD
    3RV2011-1DA10 - Siemens - Molded Case
 Circuit Breakers
    3RV2011-1DA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    $280.99 CAD
    Q21550CT2 - Siemens - Molded Case
    Q21550CT2 - Siemens - Molded Case
    Siemens
    $107.99 CAD
    Q210 - Siemens - Molded Case
    Q210 - Siemens - Molded Case
    Siemens
    $49.99 CAD
    LGB3K060B - Siemens - Molded Case
    LGB3K060B - Siemens - Molded Case
    Bolt-On - 60 Amp - 3 Pole - 600 V
    Siemens
    $1,357.99 CAD
    LGB3K040B - Siemens - Molded Case
    LGB3K040B - Siemens - Molded Case
    Bolt-On - 40 Amp - 3 Pole - 600 V
    Siemens
    $1,292.99 CAD
    P250 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 50 Amp - 1 Pole - 240V
    Siemens
    $189.99 CAD
    P225 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 25 Amp - 1 Pole - 240V
    Siemens
    $195.99 CAD
    P2100 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 100 Amp - 1 Pole - 240V
    Siemens
    $324.99 CAD
    P1520 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 20 Amp - 1 Pole - 120V
    Siemens
    $103.99 CAD
    P1515NC - Siemens - Molded Case Circuit Breakers
    Bolt-On - 15 Amp - 1 Pole - 120V
    Siemens
    $204.99 CAD
    P140 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 40 Amp - 1 Pole - 120V
    Siemens
    $98.99 CAD
    P130 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 30 Amp - 1 Pole - 120V
    Siemens
    $109.99 CAD
    NMX3B800L - Siemens - Molded Case
 Circuit Breakers
    NMX3B800L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 800 Amp - 3 Pole - 600V
    Siemens
    $14,205.99 CAD
    NMX3B600L - Siemens - Molded Case
 Circuit Breakers
    NMX3B600L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 600 Amp - 3 Pole - 600V
    Siemens
    $12,291.99 CAD
    NMG3B800L - Siemens - Molded Case
 Circuit Breakers
    NMG3B800L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 800 Amp - 3 Pole - 600V
    Siemens
    $9,127.99 CAD
    NFK3B250L - Siemens - Molded Case Circuit Breakers
    Siemens
    $4,533.99 CAD
    MXD63B500 - Siemens - Molded Case
 Circuit Breakers
    MXD63B500 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 500 Amp - 3 Pole - 600V
    Siemens
    $8,095.99 CAD
    HNX3B800L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 800 Amp - 3 Pole - 600V
    Siemens
    $28,778.99 CAD
    HNX3B120L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 1200 Amp - 3 Pole - 600V
    Siemens
    $7,400.99 CAD
    HMXD63B500 - Siemens - Molded Case
 Circuit Breakers
    HMXD63B500 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 500 Amp - 3 Pole - 600V
    Siemens
    $8,374.99 CAD
    HMX3B800L - Siemens - Molded Case
 Circuit Breakers
    HMX3B800L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 800 Amp - 3 Pole - 600V
    Siemens
    $8,251.99 CAD
    HMX3B600L - Siemens - Molded Case
 Circuit Breakers
    HMX3B600L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 600 Amp - 3 Pole - 600V
    Siemens
    $15,777.99 CAD
    HLK3B600L - Siemens - Molded Case
 Circuit Breakers
    HLK3B600L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 600 Amp - 3 Pole - 600V
    Siemens
    $9,810.99 CAD
    HJG3B400L - Siemens - Molded Case
 Circuit Breakers
    HJG3B400L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 400 Amp - 3 Pole - 600V
    Siemens
    $10,668.99 CAD
    HJG3B300L - Siemens - Molded Case
 Circuit Breakers
    HJG3B300L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 300 Amp - 3 Pole - 600V
    Siemens
    $10,349.99 CAD
    HHED62B110L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 110 Amp - 1 Pole - 600V
    Siemens
    $1,189.99 CAD
    B310 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 10 Amp - 3 Pole - 240V
    Siemens
    $255.99 CAD
    P240 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 40 Amp - 1 Pole - 240V
    Siemens
    $149.99 CAD
    P115 - Siemens - Molded Case Circuit Breakers
    Bolt-On - 15 Amp - 1 Pole - 120V
    Siemens
    $65.99 CAD
    NMG3B600L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 600 Amp - 3 Pole - 600V
    Siemens
    $11,611.99 CAD
    HMX3B700L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 700 Amp - 3 Pole - 600V
    Siemens
    $13,169.99 CAD
    HMG3B800L - Siemens - Molded Case
 Circuit Breakers
    HMG3B800L - Siemens - Molded Case Circuit Breakers
    Feed-Thru - 800 Amp - 3 Pole - 600V
    Siemens
    $20,504.99 CAD
    3RV2021-4PA10 - Siemens - Molded Case
 Circuit Breakers
    3RV2021-4PA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    $550.99 CAD
    3RV2021-4NA10 - Siemens - Molded Case
 Circuit Breakers
    3RV2021-4NA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    $435.99 CAD
    3RV2021-4FA10 - Siemens - Molded Case
 Circuit Breakers
    3RV2021-4FA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    $680.99 CAD
    3RV2021-4EA10 - Siemens - Molded Case
 Circuit Breakers
    3RV2021-4EA10 - Siemens - Molded Case Circuit Breakers
    Siemens
    $472.99 CAD
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