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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
REE1L030
REE1L030
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From
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Miami Breaker
30
120
REE1L030L
REE1L030L
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From
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Miami Breaker
30
120
REE1L035
REE1L035
Limited Stock
From
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Miami Breaker
35
120
REE1L035L
REE1L035L
Limited Stock
From
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Miami Breaker
35
120
REE1L040
REE1L040
Limited Stock
From
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Miami Breaker
40
120
REE1L040L
REE1L040L
Limited Stock
From
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Miami Breaker
40
120
REE1L045
REE1L045
Limited Stock
From
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Miami Breaker
45
120
REE1L045L
REE1L045L
Limited Stock
From
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Miami Breaker
45
120
REE1L050
REE1L050
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Miami Breaker
50
120
REE1L050L
REE1L050L
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Miami Breaker
50
120
REE1L060
REE1L060
Limited Stock
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Miami Breaker
60
120
REE1L060L
REE1L060L
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From
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Miami Breaker
60
120
REE1L070
REE1L070
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Miami Breaker
70
120
REE1L070L
REE1L070L
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Miami Breaker
70
120
REE1L080
REE1L080
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Miami Breaker
80
120
REE1L080L
REE1L080L
Limited Stock
From
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Miami Breaker
80
120
REE1L090
REE1L090
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From
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Miami Breaker
90
120
REE1L090L
REE1L090L
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From
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Miami Breaker
90
120
REE1L100
REE1L100
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Miami Breaker
100
120
REE1L100L
REE1L100L
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From
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Miami Breaker
100
120
REE2A003
REE2A003
Limited Stock
From
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Miami Breaker
3
240
REE2A003L
REE2A003L
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From
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Miami Breaker
3
240
REE2A005
REE2A005
Limited Stock
From
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Miami Breaker
5
240
REE2A005L
REE2A005L
Limited Stock
From
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Miami Breaker
5
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.