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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
LLL36600U31X	In Stock From $4,592^.34	Schneider Electric	600	600
LLL36600U33X	In Stock From $9,839^.37	Square D	600	600
LMD63F800	In Stock From $1,832^.83	Siemens	800	600
LRL36600U31X	In Stock From $6,602^.38	Schneider Electric	600	600
MB612	In Stock From $213^.57	General Electric	125	480
MBK125	In Stock From $294^.50	Siemens	125	240
MBK200	In Stock From $236^.71	Siemens	200	240
MBK200A	In Stock From $303^.29	Siemens	200	240
MBK225A	In Stock From $252^.79	Siemens	225	240
MBK3200	In Stock From $196^.00	Siemens	200	240
MD63B800	In Stock From $2,796^.28	Siemens	800	600
MDL2800	In Stock From $2,291^.45	Westinghouse	800	600
MDLB2800W	In Stock From $2,793^.68	Cutler Hammer	800	600
MDLB3350	In Stock From $3,043^.52	Westinghouse	350	600
MDLB3800T33W	In Stock From $2,955^.36	Eaton	800	600
MGF36400	In Stock From $2,453^.19	Square D	400	600
MGF36800	In Stock From $6,621^.26	Square D	800	600
MGL36300	In Stock From $3,874^.81	Square D	300	600
MGL36400	In Stock From $2,037^.49	Square D	400	600
MGL36500	In Stock From $2,744^.83	Square D	500	600
MGL36600	In Stock From $5,178^.95	Square D	600	600
MGL36700	In Stock From $4,107^.60	Schneider Electric	700	600
MGL36800	In Stock From $6,598^.31	Square D	800	600
MGP26600	In Stock From $1,839^.46	Schneider Electric	600	600

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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.