Square D molded case circuit breakers (MCCBs), manufactured by Schneider Electric, provide advanced overcurrent and short-circuit protection for commercial, industrial, and institutional electrical distribution systems. Designed to protect feeders, branch circuits, motors, and critical equipment, Square D MCCBs offer higher current ratings and interrupting capacities than standard miniature circuit breakers, making them ideal for demanding power distribution applications. Available in thermal-magnetic and electronic trip configurations with a wide range of amperage ratings and accessories, Square D molded case circuit breakers deliver dependable protection, long service life, and reliable performance in mission-critical electrical systems.
Square D Molded Case Circuit Breakers
Square D molded case circuit breakers (MCCBs), manufactured by Schneider Electric, provide advanced overcurrent and short-circuit protection for commercial, industrial, and institutional electrical distribution systems. Designed to protect feeders, branch circuits, motors, and critical equipment, Square D MCCBs offer higher current ratings and interrupting capacities than standard miniature circuit breakers, making them ideal for demanding power distribution applications. Available in thermal-magnetic and electronic trip configurations with a wide range of amperage ratings and accessories, Square D molded case circuit breakers deliver dependable protection, long service life, and reliable performance in mission-critical electrical systems.
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Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36600
Regular price $12,341.50 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 500A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36500
Regular price $11,975.98 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36400
Regular price $11,611.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 450A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36450
Regular price $11,975.98 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 350A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36350
Regular price $11,611.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 300A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36300
Regular price $12,772.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 2 Pole, 600V AC, 25kA at 600V AC - MJA264002
Regular price $11,819.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 65kA at 240V AC - MGP36800
Regular price $14,492.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 65kA at 240V AC - MGP36600
Regular price $10,769.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 65kA at 240V AC - MGP36400
Regular price $16,153.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 65kA at 240V AC - MGM36800
Regular price $14,492.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 700A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36700
Regular price $14,140.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36800
Regular price $4,711.97 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36600
Regular price $10,452.27 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 500A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36500
Regular price $11,979.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 450A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36450
Regular price $11,889.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36400
Regular price $12,094.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 350A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36350
Regular price $11,979.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 300A, 3 Pole, 600V AC, 65kA at 240V AC - MGL36300
Regular price $11,806.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 2 Pole, 600V AC, 65kA at 240V AC - MGL26800
Regular price $10,582.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 700A, 2 Pole, 600V AC, 65kA at 240V AC - MGL26700
Regular price $11,270.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 2 Pole, 600V AC, 65kA at 240V AC - MGL26600
Regular price $8,702.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 450A, 2 Pole, 600V AC, 65kA at 240V AC - MGL26450
Regular price $8,702.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 65kA at 240V AC - MGF36600
Regular price $11,038.38 USDRegular priceUnit price per
