Molded Case Breakers

7247 products

Shop our wide selection molded case (MCCB) circuit breakers.

7247 products

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MJL36300 - Square D 300 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

MJL36300 - Square D - Molded Case Circuit Breaker

Feed-Thru - 300 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,167 CAD

MJA36800 - Square D 800 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

MJA36800 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 800 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $4,584 CAD

MJA36700 - Square D 700 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

MJA36700 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 700 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,600 CAD

MJA36600 - Square D 600 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

MJA36600 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $4,848 CAD

MJA36500 - Square D 500 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

MJA36500 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 500 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $3,290 CAD

MJA36400 - Square D 400 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

MJA36400 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

MJA36300 - Square D 300 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

MJA36300 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 300 Amp - 3 Pole - 600 Volt

Schneider Electric

MHL36500 - Square D 500 Amp 3 Pole 600 Volt Thermal Magnetic Molded Case Circuit Breaker

MHL36500 - Square D - Molded Case Circuit Breaker

Feed-Thru - 500 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,230 CAD

MGL36800 - Square D 800 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker

MGL36800 - Square D - Molded Case Circuit Breaker

Feed-Thru - 800 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,256 CAD

MGL36700 - Square D 700 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker

MGL36700 - Square D - Molded Case Circuit Breaker

Feed-Thru - 700 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,350 CAD

MGL36600 - Square D 600 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker

MGL36600 - Square D - Molded Case Circuit Breaker

Feed-Thru - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,880 CAD

MGL36500 - Square D 500 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker

MGL36500 - Square D - Molded Case Circuit Breaker

Feed-Thru - 500 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,127 CAD

MGL36450 - Square D 450 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker

MGL36450 - Square D - Molded Case Circuit Breaker

Feed-Thru - 450 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,447 CAD

MGL36400 - Square D 400 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker

MGL36400 - Square D - Molded Case Circuit Breaker

Feed-Thru - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

MGL36300 - Square D 300 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker

MGL36300 - Square D - Molded Case Circuit Breaker

Feed-Thru - 300 Amp - 3 Pole - 600 Volt

Schneider Electric

MGA36800 - Square D 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

MGA36800 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 800 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $6,565 CAD

MGA36700 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 700 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,600 CAD

MGA36600 - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

MGA36600 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,740 CAD

MGA36500 - Square D 500 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

MGA36500 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 500 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,610 CAD

MGA36450 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 450 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $2,292 CAD

MGA36400 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $2,440 CAD

MGA36300 - Square D 300 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

MGA36300 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 300 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,740 CAD

LJL36600U33X - Square D - Molded Case Circuit Breaker

Feed-Thru - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,990 CAD

LJL36600U31X - Square D - Molded Case Circuit Breaker

Feed-Thru - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $5,123 CAD

LJL36400U33X - Square D - Molded Case Circuit Breaker

Feed-Thru - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $3,990 CAD

LJL36400U31X - Square D - Molded Case Circuit Breaker

Feed-Thru - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,314 CAD

LJA36600U33X - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $7,714 CAD

LJA36400U31X - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $4,000 CAD

LI36600 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,040 CAD

LHL36400 - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LHL36400 - Square D - Molded Case Circuit Breaker

Feed-Thru - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,101 CAD

LHL36350 - Square D 350 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LHL36350 - Square D - Molded Case Circuit Breaker

Feed-Thru - 350 Amp - 3 Pole - 600 Volt

Schneider Electric

LHL36250 - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LHL36250 - Square D - Molded Case Circuit Breaker

Feed-Thru - 250 Amp - 3 Pole - 600 Volt

Schneider Electric

LHL36200 - Square D 200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LHL36200 - Square D - Molded Case Circuit Breaker

Feed-Thru - 200 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $2,368 CAD

LH36400 - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LH36400 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,775 CAD

LH36350 - Square D 350 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LH36350 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 350 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,155 CAD

LH36250 - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LH36250 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 250 Amp - 3 Pole - 600 Volt

Schneider Electric

LH36225 - Square D 225 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LH36225 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 225 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,078 CAD

LH36200 - Square D 200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LH36200 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 200 Amp - 3 Pole - 600 Volt

Schneider Electric

Save $1,005 CAD

LCL36600 - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LCL36600 - Square D - Molded Case Circuit Breaker

Feed-Thru - 600 Amp - 3 Pole - 600 Volt

Schneider Electric

LCL36500 - Square D 500 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

LCL36500 - Square D - Molded Case Circuit Breaker

Feed-Thru - 500 Amp - 3 Pole - 600 Volt

Schneider Electric

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Molded Case Breakers