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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
NGC308032E	In Stock From $14,260^.97	Eaton	-	-
NGC312033EC	In Stock From $11,184^.10	Eaton	-	-
NMG3B800L	In Stock From $10,086^.17	Siemens	800	600
NNG3B120	In Stock From $9,882^.84	Siemens	1200	600
NNG3B800	In Stock From $6,656^.98	Siemens	800	600
NXD63B120L	In Stock From $3,339^.18	Siemens	1200	600
PGA36080U31AYP	In Stock From $12,095^.40	Square D	800	600
PGA36100YP	In Stock From $3,402^.54	Square D	1000	600
PJA36060U44AYP	In Stock From $13,821^.59	Square D	600	600
PJA36080CU43AYP	In Stock From $14,285^.71	Schneider Electric	800	600
PJA36080CU44AE1YP	In Stock From $12,950^.76	Schneider Electric	800	600
PJA36080U31AYP	In Stock From $13,929^.49	Schneider Electric	800	600
PJA36100U43ABC	In Stock From $4,850^.00	Schneider Electric	1000	600
PJA36100U44AE1	In Stock From $9,576^.00	Schneider Electric	1000	600
PJA36100U44AYP	In Stock From $13,596^.19	Schneider Electric	1000	600
PJA36120U43AYP	In Stock From $14,110^.45	Square D	1200	600
PJL36120U41A	In Stock From $9,249^.90	Square D	1200	600
PKA36040CU44ABD	In Stock From $666^.67	Schneider Electric	400	600
PKA36100U31AYP	In Stock From $8,533^.27	Schneider Electric	1000	600
PLA34025U44AE1YP	In Stock From $17,072^.82	Schneider Electric	250	480
PLA34080U64AE1YP	In Stock From $17,072^.82	Square D	800	480
PLA34080YP	In Stock From $17,072^.82	Schneider Electric	800	480
PLA34100BD	In Stock From $8,258^.06	Schneider Electric	1000	480
Q422250AC	In Stock From $1,003^.37	Square D	250	240

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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.