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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.

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Part Number	PRICE	Manufacturer	Amperage	Voltage
PJF36120CU33A	In Stock From $14,555^.21	Schneider Electric	1200	600
PJL36100AA	In Stock From $4,390^.34	Square D	1000	600
PJL36120AASK	In Stock From $8,532^.30	Schneider Electric	1200	600
PJL36120M70	In Stock From $7,323^.27	Square D	1200	600
PJM36100	In Stock From $5,176^.92	Schneider Electric	1000	600
PJM36120CU44A	In Stock From $3,745^.08	Square D	1200	600
PJP36100U44A	In Stock From $7,093^.91	Square D	1000	600
PJP36120YP	In Stock From $2,308^.50	Square D	1200	600
PKA36040CU63AE1	In Stock From $15,117^.94	Schneider Electric	400	600
PKA36040U33A	In Stock From $13,310^.00	Schneider Electric	400	600
PKL36060CU31A	In Stock From $13,377^.59	Schneider Electric	600	600
PKL36060CU33A	In Stock From $13,377^.59	Schneider Electric	600	600
PKL36100CU43A	In Stock From $7,395^.50	Schneider Electric	1000	600
PKM36100U44A	In Stock From $3,139^.70	Square D	1000	600
PLA34025U33A	In Stock From $1,224^.18	Square D	250	480
PLA34040CU63AE1	In Stock From $1,991^.94	Square D	400	480
PLA34040U43A	In Stock From $8,089^.20	Square D	400	480
PLA34060U31A	In Stock From $5,087^.22	Schneider Electric	600	480
PLA34060U43A	In Stock From $12,199^.84	Square D	600	480
PLA34100U44A	In Stock From $11,832^.00	Schneider Electric	1000	480
PLA34120U43AE1YP	In Stock From $8,842^.22	Square D	1200	480
PLF34025U31A	In Stock From $2,653^.74	Schneider Electric	250	480
PLF34120CU31A	In Stock From $4,407^.58	Square D	1200	480
PLF34120CU44A	In Stock From $10,366^.64	Schneider Electric	1200	480

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Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.

Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.