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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
P4250	In Stock From $223^.73	ITE	50	240
P4260	In Stock From $84^.69	ITE	60	240
P4270	In Stock From $69^.20	ITE	70	240
P4290	In Stock From $104^.80	ITE	90	240
P4330	In Stock From $195^.14	ITE	30	240
P4340	In Stock From $128^.10	ITE	40	240
P4360	In Stock From $686^.24	ITE	60	240
QP1B030	In Stock From $28^.49	ITE	30	240
QP1B040	In Stock From $9^.98	ITE	40	240
QP1B050	In Stock From $8^.32	ITE	50	240
QP2B015	In Stock From $4^.67	ITE	15	240
QP2B040	In Stock From $19^.12	ITE	40	240
QP3B020	In Stock From $24^.50	ITE	20	240
QP3B030	In Stock From $149^.94	ITE	30	240
QP3B050	In Stock From $21^.42	ITE	50	240
11200	In Stock From $93^.25	Siemens	100	240
HJ3F400	In Stock From $187^.26	ITE	4	600
HS3B250	In Stock From $3,076^.27	ITE	2500	600
HS3B40000S01	In Stock From $22,464^.00	ITE	4000	600
JKL3B300	In Stock From $1,279^.19	ITE	300	600
JKL3B400	In Stock From $1,423^.53	Siemens	400	600
KMB3F800	In Stock From $845^.42	Siemens	800	600
Q215GF	In Stock From $184^.60	Siemens	15	240
Q230EG	In Stock From $226^.13	Siemens	30	240

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.