Molded Case Breakers

2888 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    2888 products
    Sale
    HLL36050 - Square D - Molded Case Circuit Breaker
    HLL36050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,010 CAD
    Sale
    HLA36125 - Square D - Molded Case Circuit Breaker
    HLA36125 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $2,100 CAD
    Sale
    FI36080 - Square D 80 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36080 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $860 CAD
    Sale
    FI36070 - Square D 70 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36070 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $670 CAD
    Sale
    FI36060 - Square D 60 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $960 CAD
    Sale
    FI36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,140 CAD
    Sale
    FI36040 - Square D 40 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $960 CAD
    Sale
    FI36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $960 CAD
    Sale
    FI36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $960 CAD
    Sale
    FI36015 - Square D 15 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36015 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,140 CAD
    Sale
    FHL36100 - Square D 100 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $361 CAD
    Sale
    FHL36090 - Square D 90 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $465 CAD
    Sale
    FHL36080 - Square D 80 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36080 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $511 CAD
    Sale
    FHL36070 - Square D 70 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36070 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $518 CAD
    Sale
    FHL36060 - Square D 60 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $144 CAD
    Sale
    FHL36045 - Square D 45 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36045 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $50 CAD
    Sale
    FHL36035 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 35 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $112 CAD
    Sale
    FHL36030 - Square D 30 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36030 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $129 CAD
    Sale
    FHL36025 - Square D 25 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36025 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 25 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $349 CAD
    Sale
    FHL36015 - Square D 15 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36015 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $129 CAD
    Sale
    FH36100 - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $429 CAD
    Sale
    FH36090 - Square D 90 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $305 CAD
    Sale
    FH36080 - Square D 80 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36080 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $305 CAD
    Sale
    FH36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,039 CAD
    Sale
    FH36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $127 CAD
    Sale
    FAL36090 - Square D 90 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $183 CAD
    FAL34090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 480 Volt
    Schneider Electric
    FAL34070 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 480 Volt
    Schneider Electric
    FAL34045 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 480 Volt
    Schneider Electric
    FAL34030 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sold Out
    FAL34025 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 25 Amp - 3 Pole - 480 Volt
    Schneider Electric
    FAL34015 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    FA36090 - Square D 90 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,293 CAD
    Sale
    FA36080 - Square D 80 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36080 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $448 CAD
    Sale
    FA36025 - Square D 25 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36025 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 25 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $231 CAD
    EDB34110 - Square D 110 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34110 - Square D - Molded Case Circuit Breaker
    Bolt-On - 110 Amp - 3 Pole - 480 Volt
    Schneider Electric
    EDB34035 - Square D 35 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34035 - Square D - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    HJL36150 - Square D - Molded Case Circuit Breaker
    HJL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $490 CAD
    Sale
    HJL36050 - Square D - Molded Case Circuit Breaker
    HJL36050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    HJL36025 - Square D - Molded Case Circuit Breaker
    HJL36025 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 25 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $260 CAD
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