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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
SU203M-C20	In Stock From $173^.74	ABB	-	-
SU203M-C30	In Stock From $156^.95	ABB	-	-
SU203M-C6	In Stock From $109^.75	ABB	-	-
SU203M-K15	In Stock From $227^.31	ABB	-	-
SU203M-K16	In Stock From $318^.52	ABB	-	-
SU203M-K30	In Stock From $287^.16	ABB	-	-
SU203M-K32	In Stock From $235^.22	ABB	-	-
SU203M-K6	In Stock From $147^.24	ABB	-	-
SU203M-K63	In Stock From $519^.67	ABB	-	-
SU203M-Z1	In Stock From $211^.72	ABB	-	240
SU203M-Z40	In Stock From $391^.72	ABB	-	-
SU203MR-K63	In Stock From $284^.45	ABB	-	-
THQLQ153015	In Stock From $64^.84	ABB	30	240
XT4NU3250FY8000XXX	In Stock From $1,337^.72	ABB	250	-
XT4NU3250JFF000XXX	In Stock From $1,295^.39	ABB	250	-
JS-3P-300A-DC	In Stock From $129^.38	ABB	300	600
NS-3P-900A-DC	In Stock From $939^.02	ABB	900	500
PLU701M-K20	In Stock From $136^.50	ABB	20	240
S804S-C50	Limited Stock From Get Price	ABB	50	690
XT1NU3030AAA000XXX	In Stock From $265^.53	ABB	-	-
XT4HU3150AFL000XXX	Limited Stock From Get Price	ABB	150	600
XT4HU3150QYJ00HXXX	In Stock From Get Price	ABB	150	600
XT4HU3250SY8000XXX	Limited Stock From Get Price	ABB	250	600
XT5LU325ATYN000XXX	In Stock From $4,645^.82	ABB	250	600

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.