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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
RGF36160U64AE1
RGF36160U64AE1
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Square D
1600
600
RGF36200CU41A
RGF36200CU41A
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Square D
2000
600
RGF36200CU43A
RGF36200CU43A
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Square D
2000
600
RGF36200CU44A
RGF36200CU44A
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Square D
2000
600
RGF36200U31A
RGF36200U31A
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Square D
2000
600
RGF36200U44A
RGF36200U44A
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Square D
2000
600
RGF36200U63AE1
RGF36200U63AE1
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Schneider Electric
2000
600
RGF36200U64AE1
RGF36200U64AE1
Limited Stock
From
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Schneider Electric
2000
600
RGF36250CU31A
RGF36250CU31A
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Schneider Electric
2500
600
RGF36250CU33A
RGF36250CU33A
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Square D
2500
600
RGF36250CU63AE1
RGF36250CU63AE1
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Square D
2500
600
RGF36250CU64AE1
RGF36250CU64AE1
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Schneider Electric
2500
600
RGF36250U31A
RGF36250U31A
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Schneider Electric
2500
600
RGF36250U33A
RGF36250U33A
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Schneider Electric
2500
600
RGF36300CU31A
RGF36300CU31A
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Square D
3000
600
RGF36300CU33A
RGF36300CU33A
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Schneider Electric
3000
600
RGF36300CU64AE1
RGF36300CU64AE1
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Schneider Electric
3000
600
RGF36300U31A
RGF36300U31A
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Square D
3000
600
RJ1000
RJ1000
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Square D
1000
600
RJ1200
RJ1200
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Schneider Electric
1200
600
RJ2000
RJ2000
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Schneider Electric
2000
600
RJ2500
RJ2500
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Square D
2500
600
RJ3000
RJ3000
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Schneider Electric
3000
600
RJ600
RJ600
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Square D
600
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.