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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
32693
32693
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Merlin Gerin
400
690
24401
24401
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Merlin Gerin
10
440
25880
25880
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Merlin Gerin
4
440
29730
29730
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Schneider Electric
100
690
30403
30403
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Schneider Electric
160
690
32410
32410
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Merlin Gerin
400
690
32676
32676
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Merlin Gerin
400
690
32677
32677
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Merlin Gerin
350
690
32697
32697
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Merlin Gerin
400
690
32756
32756
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Schneider Electric
400
440
32894
32894
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Merlin Gerin
630
690
36054
36054
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Schneider Electric
600
600
C1001H
C1001H
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Schneider Electric
1000
600
C1001N
C1001N
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Merlin Gerin
1000
600
C1251N
C1251N
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Square D
1250
600
C401L
C401L
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Square D
400
600
C801H
C801H
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Merlin Gerin
800
600
C801L
C801L
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Merlin Gerin
800
600
C801N
C801N
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Schneider Electric
800
600
C801NI
C801NI
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Merlin Gerin
800
600
CE106N
CE106N
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Merlin Gerin
100
600
CF250L
CF250L
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Square D
250
600
CFHL36090
CFHL36090
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Merlin Gerin
90
600
CJ400
CJ400
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Merlin Gerin
400
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.