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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
PDG33M0350TFAJ	In Stock From $3,168^.82	Eaton	350	600
PDG33M0400B2NN	In Stock From $2,106^.63	Eaton	400	600
PDG33M0400E2NJ	In Stock From $4,770^.21	Cutler Hammer	400	600
PDG33M0400E2NL	In Stock From $4,582^.38	Cutler Hammer	400	600
PDG33M0400E2NN	In Stock From $4,399^.34	Eaton	400	600
PDG33M0400TFAN	In Stock From $1,978^.62	Eaton	400	600
PDG33M0500TFAJ	In Stock From $4,700^.71	Eaton	500	600
PDG33M0600B2NN	In Stock From $4,997^.40	Cutler Hammer	600	600
PDG33M0600E2NJ	In Stock From $3,203^.64	Cutler Hammer	600	600
PDG33P0250TFAJ	In Stock From $1,046^.79	Eaton	250	600
PDG33P0400TFAJ	In Stock From $3,671^.06	Cutler Hammer	400	600
PDG33P0500TFAJ	In Stock From $5,270^.44	Cutler Hammer	500	600
PDG43G0800E5RJ	In Stock From $1,575^.19	Cutler Hammer	800	600
PDG43G0800TFAL	In Stock From $3,367^.20	Eaton	800	600
PDG43K0400TFAJ	In Stock From $2,135^.85	Eaton	400	600
PDG43K0500TFAJ	In Stock From $2,664^.07	Eaton	500	600
PDG43K0600TFAJ	In Stock From $5,164^.52	Cutler Hammer	600	600
PDG43K0700TFAJ	In Stock From $5,151^.61	Cutler Hammer	700	600
PDG43K0800TFAJ	In Stock From $7,398^.67	Eaton	800	600
PDG43M0800TFAL	In Stock From $5,672^.36	Eaton	800	600
PDG53K0800E2MN	In Stock From $9,353^.11	Eaton	800	600
PDG53M0800E2MN	In Stock From $9,809^.43	Eaton	800	600
PDG53M0800E3MN	In Stock From $11,568^.41	Eaton	800	600
PDG53M1200E2MN	In Stock From $11,193^.23	Cutler Hammer	1200	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.