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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
BL1-020
BL1-020
Limited Stock
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ITE
20
120
CC2B030
CC2B030
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ITE
30
480
CE3B030SS
CE3B030SS
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ITE
30
600
CE3B035SS
CE3B035SS
Limited Stock
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ITE
35
600
CE3B040SS
CE3B040SS
Limited Stock
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ITE
40
600
CE3B050
CE3B050
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ITE
50
600
CE3B050SS
CE3B050SS
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ITE
50
600
CE3M015
CE3M015
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ITE
15
600
CE3M020
CE3M020
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ITE
20
600
CE3M025
CE3M025
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ITE
25
600
CE3M030
CE3M030
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From
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ITE
30
600
CE3M035
CE3M035
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ITE
35
600
CE3M040
CE3M040
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ITE
40
600
CE3M045
CE3M045
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ITE
45
600
CE3M050
CE3M050
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ITE
50
600
CE3M060
CE3M060
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ITE
60
600
CE3M080
CE3M080
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ITE
80
600
CE3M090
CE3M090
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ITE
90
600
CE3M100
CE3M100
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ITE
100
600
CE3M110
CE3M110
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ITE
110
600
CE3M125
CE3M125
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ITE
125
600
CE3M150
CE3M150
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ITE
150
600
E21B025
E21B025
Limited Stock
From
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ITE
25
120
E21B035
E21B035
Limited Stock
From
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Siemens
35
120
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.