Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    Sale
    HGL36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    HGL36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36040 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    HGL36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    HGL36015 - Square D 15 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36015 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    HGA36070 - Square D - Molded Case Circuit Breaker
    HGA36070 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $200 CAD
    Sale
    HGA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    HDL36090 - Square D 90 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $270 CAD
    Sale
    HDL36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $300 CAD
    Sale
    JLL36250 - Square D - Molded Case Circuit Breaker
    JLL36250 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,624 CAD
    Sale
    JGL36175 - Square D - Molded Case Circuit Breaker
    JGL36175 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $510 CAD
    Sale
    JGL36150 - Square D - Molded Case Circuit Breaker
    JGL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $500 CAD
    Sale
    JDA36150 - Square D - Molded Case Circuit Breaker
    JDA36150 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $330 CAD
    Sale
    JLA36225 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 225Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $640 CAD
    Sale
    QDL32150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Save $313 CAD
    Sale
    QDL32100 - Square D - Molded Case Circuit Breaker
    QDL32100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Save $163 CAD
    CHU361AWK - Square D - Safety switch, heavy duty, non fusible
    30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    ABB XT5NU360BFYN000XXX - image 1
    ABB XT5NU360BFYN000XXX - image 2
    XT5NU360BFYN000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT4NU3250AY8000XXX - image 1
    ABB XT4NU3250AY8000XXX - image 2
    XT4NU3250AY8000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT4LU3250BY8000XXX - image 1
    ABB XT4LU3250BY8000XXX - image 2
    XT4LU3250BY8000XXX - ABB - Molded Case Circuit Breaker
    ABB
    Limited availability
    ABB XT4LU3150AYJ000XXX - image 1
    ABB XT4LU3150AYJ000XXX - image 2
    XT4LU3150AYJ000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT4HU3150AY8000XXX - image 1
    ABB XT4HU3150AY8000XXX - image 2
    XT4HU3150AY8000XXX - ABB - Molded Case Circuit Breaker
    ABB
    Limited availability
    ABB XT4HU3150AFJ000XXX - image 1
    ABB XT4HU3150AFJ000XXX - image 2
    XT4HU3150AFJ000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT3NU3150AFF000XXX - image 1
    ABB XT3NU3150AFF000XXX - image 2
    XT3NU3150AFF000XXX - ABB - Molded Case Circuit Breaker
    ABB
    Limited availability
    ABB XT1NU3125AYD000XXX - image 3
    XT1NU3125AYD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT1NU3110AFD000XXX - image 3
    XT1NU3110AFD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT1NU3100AYD000XXX - image 3
    XT1NU3100AYD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    XT1NU3080AFD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    XT1NU3070AYD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    XT1NU3070AFD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    Limited availability
    XT1NU3045AYD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    XT1NU3020AYD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT1HU3070AFD000XXX - image 1
    XT1HU3070AFD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    ABB XT1HU3040AFD000XXX - image 1
    ABB XT1HU3040AFD000XXX - image 2
    XT1HU3040AFD000XXX - ABB - Molded Case Circuit Breaker
    ABB
    Limited availability
    3VA5330-5EC61-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5330-5EC61-0AA0 - Siemens - Molded Case Circuit Breakers
    300 Amp - 2 Pole - 480 Volt
    Siemens
    Limited availability
    3VA5195-4ED21-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5195-4ED21-0AA0 - Siemens - Molded Case Circuit Breakers
    15 Amp - 2 Pole - 480 Volt
    Siemens
    Limited availability
    3VA5180-5ED36-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5180-5ED36-0AA0 - Siemens - Molded Case Circuit Breakers
    80 Amp - 3 Pole - 480 Volt
    Siemens
    3VA5110-5EF31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5110-5EF31-0AA0 - Siemens - Molded Case Circuit Breakers
    100 Amp - 3 Pole - 480 Volt
    Siemens
    3VA4170-4ED24-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4170-4ED24-0AA0 - Siemens - Molded Case Circuit Breakers
    70 Amp - 2 Pole - 480 Volt
    Siemens
    3VA6460-7HN31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA6460-7HN31-0AA0 - Siemens - Molded Case Circuit Breakers
    600 Amp - 3 Pole - 600 Volt
    Siemens
    3VA6340-7HN31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA6340-7HN31-0AA0 - Siemens - Molded Case Circuit Breakers
    400 Amp - 3 Pole - 600 Volt
    Siemens
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