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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
A9F18440
A9F18440
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Schneider Electric
40
400
A9F28450
A9F28450
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From
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Schneider Electric
50
400
A9F28463
A9F28463
Limited Stock
From
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Schneider Electric
63
400
A9F29425
A9F29425
Limited Stock
From
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Schneider Electric
25
400
A9N19806
A9N19806
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Schneider Electric
63
400
A9N19817
A9N19817
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Schneider Electric
100
400
A9N19822
A9N19822
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Schneider Electric
100
400
EJB34060CA
EJB34060CA
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Schneider Electric
-
-
EZC100N1020
EZC100N1020
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Schneider Electric
20
690
EZD100E3015
EZD100E3015
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Schneider Electric
15
690
EZD100E3015N
EZD100E3015N
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Schneider Electric
15
690
EZD100E3040
EZD100E3040
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Schneider Electric
40
690
EZD100E3040N
EZD100E3040N
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Schneider Electric
40
690
EZD100E3050N
EZD100E3050N
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From
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Schneider Electric
50
690
EZD100E3050P
EZD100E3050P
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Schneider Electric
50
690
EZD100E3060N
EZD100E3060N
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Schneider Electric
60
690
EZD100E3075
EZD100E3075
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Schneider Electric
75
690
EZD100E3080N
EZD100E3080N
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Schneider Electric
80
690
EZD100E3100
EZD100E3100
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From
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Schneider Electric
100
690
EZD100E3100N
EZD100E3100N
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From
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Schneider Electric
100
690
EZD100E4050
EZD100E4050
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From
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Schneider Electric
50
690
EZD100E4100N
EZD100E4100N
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From
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Schneider Electric
100
690
EZD100M3025MAN
EZD100M3025MAN
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From
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Schneider Electric
25
690
EZD100M3100
EZD100M3100
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From
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Schneider Electric
100
690
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.