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, LEGACY MCCB Series, 250A, 2 Pole, 240V AC, 25kA at 120/240V AC - Q4L2250
Regular price $4,227.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 300A, 2 Pole, 240V AC, 25kA at 120/240V AC - Q4L2300
Regular price $4,227.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT P Series, 1200A, 3 Pole, 480V AC, 125kA at 240V AC - PLM34120CU44A
Regular price $51,516.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker 600V 800A | Square D PJA36080CU44A - PJA36080CU44A
Regular price $25,848.70 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT P Series, 800A, 3 Pole, 600V AC, 100kA at 240V AC - PJA36080CU31A
Regular price $37,351.98 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT P Series, 1200A, 2 Pole, 600V AC, 65kA at 240V AC - PGL26120
Regular price $26,276.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 100kA at 240V AC - MJP36800
Regular price $17,345.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 100kA at 240V AC - MJP36600
Regular price $13,956.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 100kA at 240V AC - MJL36800
Regular price $17,651.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 100kA at 240V AC - MJL36600
Regular price $14,569.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 700A, 3 Pole, 600V AC, 100kA at 240V AC - MJL36700
Regular price $16,924.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 500A, 3 Pole, 600V AC, 100kA at 240V AC - MJL36500
Regular price $14,569.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC - MJL36400
Regular price $13,470.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 300A, 3 Pole, 600V AC, 100kA at 240V AC - MJL36300
Regular price $14,569.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 350A, 3 Pole, 600V AC, 100kA at 240V AC - MJL36350
Regular price $14,569.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 700A, 2 Pole, 600V AC, 100kA at 240V AC - MJL26700
Regular price $21,371.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 2 Pole, 600V AC, 100kA at 240V AC - MJL26400
Regular price $11,430.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 350A, 2 Pole, 600V AC, 100kA at 240V AC - MJL26350
Regular price $17,316.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 100kA at 240V AC - MJF36800
Regular price $17,345.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 100kA at 240V AC - MJF36600
Regular price $13,804.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 450A, 3 Pole, 600V AC, 100kA at 240V AC - MJF36450
Regular price $15,542.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC - MJF36400
Regular price $13,804.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36800
Regular price $9,051.65 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 700A, 3 Pole, 600V AC, 100kA at 240V AC - MJA36700
Regular price $3,776.54 USDRegular priceUnit price per
