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, 400A, 3 Pole, 600V AC, 65kA at 240V AC - MGF36400
Regular price $10,363.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 3 Pole, 600V AC, 65kA at 240V AC - MGA36800
Regular price $11,137.26 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 700A, 3 Pole, 600V AC, 65kA at 240V AC - MGA36700
Regular price $12,867.18 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 3 Pole, 600V AC, 65kA at 240V AC - MGA36600
Regular price $9,271.98 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 500A, 3 Pole, 600V AC, 65kA at 240V AC - MGA36500
Regular price $10,196.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 450A, 3 Pole, 600V AC, 65kA at 240V AC - MGA36450
Regular price $9,908.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 400A, 3 Pole, 600V AC, 65kA at 240V AC - MGA36400
Regular price $10,222.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 800A, 2 Pole, 600V AC, 65kA at 240V AC - MGA268002
Regular price $10,094.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 300A, 3 Pole, 600V AC, 65kA at 240V AC - MGA36300
Regular price $9,908.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT M Series, 600A, 2 Pole, 600V AC, 65kA at 240V AC - MGA266002
Regular price $7,756.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT L Series, 600A, 3 Pole, 600V AC, 125kA at 240V AC - LLM36600U31X
Regular price $16,337.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT L Series, 400A, 3 Pole, 600V AC, 125kA at 240V AC - LLL36400U31X
Regular price $15,473.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT L Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC - LJP36400U31X
Regular price $12,705.58 USDRegular priceUnit price per -
Molded Case Circuit Breaker, POWERPACT L Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC - LJF36400U31X
Regular price $13,414.38 USDRegular priceUnit price per -
Molded Case Circuit Breaker 600V 250A |Square D By Schneider Electric LJA36600U44X - LJA36600U44X
Regular price $17,662.54 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 400A, 3 Pole, 600V AC, 65kA at 240VAC - LHP36400MT
Regular price $10,948.78 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 400A, 3 Pole, 600V AC, 65kA at 240VAC - LHP36400MB
Regular price $8,297.02 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 300A, 3 Pole, 600V AC, 65kA at 240VAC - LHP36300MB
Regular price $8,297.02 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 400A, 3 Pole, 600V AC, 65kA at 240VAC - LHL36400
Regular price $936.96 USDRegular priceUnit price per -
Lh Molded Case Circuit Breaker, 600VAC/250VDC, 400A, 3P, Short Handle | Square D LHL36400MB - LHL36400MB
Regular price $8,297.02 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 350A, 3 Pole, 600V AC, 65kA at 240V AC - LHL36350
Regular price $8,297.02 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 250A, 3 Pole, 600V AC, 65kA at 240V AC - LHL36250
Regular price $8,297.02 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 300A, 3 Pole, 600V AC, 65kA at 240VAC - LHL36300
Regular price $8,297.02 USDRegular priceUnit price per -
Molded Case Circuit Breaker, LEGACY MCCB Series, 400A, 3 Pole, 600V AC, 65kA at 240VAC - LHL36000M
Regular price $4,727.26 USDRegular priceUnit price per
