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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
5SN7201-0KB30	In Stock From $48^.99	Siemens	1	380
5SN7308-0KB30	Limited Stock From Get Price	Siemens	8	415
5SN7316-0KB30	In Stock From $89^.84	Siemens	16	415
5SN9-G20A	In Stock From $28^.14	Siemens	20	415
5SZ3-440-3A	Limited Stock From Get Price	Siemens	-	-
5SZ6466	Limited Stock From Get Price	Siemens	-	-
5TL1163-1	Limited Stock From Get Price	Siemens	-	-
5TL1363-1	Limited Stock From Get Price	Siemens	-	-
B215GF	In Stock From $190^.10	Siemens	15	240
B220GFH	In Stock From $431^.63	Siemens	20	240
B270GFHH	In Stock From Get Price	Siemens	70	240
FHOED036	In Stock From $1,931^.12	Siemens	-	-
L3B125	In Stock From $138^.95	ITE	125	600
L3B225	In Stock From $15^.99	Siemens	225	600
L3B350	In Stock From $69^.80	ITE	350	600
L3B400	In Stock From $1,782^.66	Siemens	400	600
L3B450	In Stock From $138^.96	ITE	450	600
L3B500	In Stock From $448^.44	ITE	500	600
L3B600	In Stock From $893^.65	Siemens	600	600
NFK3B150L	In Stock From $4,616^.50	Siemens	-	-
NJJ3B400	In Stock From Get Price	Siemens	400	240
S01MN6L72	In Stock From $1,755^.38	Siemens	-	-
SCJD6B300LSIG	In Stock From Get Price	Siemens	300	600
3VA411-5ED34-0AA0	In Stock From Get Price	Siemens	-	-

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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.