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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
REE3A003L
REE3A003L
Limited Stock
From
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Miami Breaker
3
240
REE3A005
REE3A005
Limited Stock
From
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Miami Breaker
5
240
REE3A005L
REE3A005L
Limited Stock
From
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Miami Breaker
5
240
REE3A010
REE3A010
Limited Stock
From
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Miami Breaker
10
240
REE3A010L
REE3A010L
Limited Stock
From
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Miami Breaker
10
240
REE3A015
REE3A015
Limited Stock
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Miami Breaker
15
240
REE3A015L
REE3A015L
Limited Stock
From
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Miami Breaker
15
240
REE3A020
REE3A020
Limited Stock
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Miami Breaker
20
240
REE3A020L
REE3A020L
Limited Stock
From
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Miami Breaker
20
240
REE3A025
REE3A025
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Miami Breaker
25
240
REE3A025L
REE3A025L
Limited Stock
From
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Miami Breaker
25
240
REE3A030
REE3A030
Limited Stock
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Miami Breaker
30
240
REE3A030L
REE3A030L
Limited Stock
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Miami Breaker
30
240
REE3A035
REE3A035
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Miami Breaker
35
240
REE3A035L
REE3A035L
Limited Stock
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Miami Breaker
35
240
REE3A040
REE3A040
Limited Stock
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Miami Breaker
40
240
REE3A040L
REE3A040L
Limited Stock
From
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Miami Breaker
40
240
REE3A045
REE3A045
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Miami Breaker
45
240
REE3A045L
REE3A045L
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Miami Breaker
45
240
REE3A050
REE3A050
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Miami Breaker
50
240
REE3A050L
REE3A050L
Limited Stock
From
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Miami Breaker
50
240
REE3A060
REE3A060
Limited Stock
From
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Miami Breaker
60
240
REE3A060L
REE3A060L
Limited Stock
From
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Miami Breaker
60
240
REE3A070
REE3A070
Limited Stock
From
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Miami Breaker
70
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.