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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
REH3H015
REH3H015
Limited Stock
From
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Miami Breaker
15
480
REH3H015L
REH3H015L
Limited Stock
From
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Miami Breaker
15
480
REH3H020
REH3H020
Limited Stock
From
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Miami Breaker
20
480
REH3H020L
REH3H020L
Limited Stock
From
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Miami Breaker
20
480
REH3H025
REH3H025
Limited Stock
From
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Miami Breaker
25
480
REH3H025L
REH3H025L
Limited Stock
From
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Miami Breaker
25
480
REH3H030
REH3H030
Limited Stock
From
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Miami Breaker
30
480
REH3H030L
REH3H030L
Limited Stock
From
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Miami Breaker
30
480
REH3H035
REH3H035
Limited Stock
From
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Miami Breaker
35
480
REH3H035L
REH3H035L
Limited Stock
From
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Miami Breaker
35
480
REH3H040
REH3H040
Limited Stock
From
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Miami Breaker
40
480
REH3H040L
REH3H040L
Limited Stock
From
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Miami Breaker
40
480
REH3H045
REH3H045
Limited Stock
From
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Miami Breaker
45
480
REH3H045L
REH3H045L
Limited Stock
From
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Miami Breaker
45
480
REH3H050
REH3H050
Limited Stock
From
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Miami Breaker
50
480
REH3H050L
REH3H050L
Limited Stock
From
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Miami Breaker
50
480
REH3H060
REH3H060
Limited Stock
From
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Miami Breaker
60
480
REH3H060L
REH3H060L
Limited Stock
From
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Miami Breaker
60
480
REH3H070
REH3H070
Limited Stock
From
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Miami Breaker
70
480
REH3H070L
REH3H070L
Limited Stock
From
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Miami Breaker
70
480
REH3H080
REH3H080
Limited Stock
From
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Miami Breaker
80
480
REH3H080L
REH3H080L
Limited Stock
From
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Miami Breaker
80
480
REH3H090
REH3H090
Limited Stock
From
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Miami Breaker
90
480
REH3H090L
REH3H090L
Limited Stock
From
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Miami Breaker
90
480
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.