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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
B1E1B63
B1E1B63
Limited Stock
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Noark Electric
63
277
B1E1C1
B1E1C1
Limited Stock
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Noark Electric
1
277
B1E1C1.6
B1E1C1.6
Limited Stock
From
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Noark Electric
1.6
277
B1E1C13
B1E1C13
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Noark Electric
13
277
B1E1C15
B1E1C15
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Noark Electric
15
277
B1E1C16
B1E1C16
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Noark Electric
16
277
B1E1C2
B1E1C2
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Noark Electric
2
277
B1E1C25
B1E1C25
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Noark Electric
25
277
B1E1C3
B1E1C3
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Noark Electric
3
277
B1E1C30
B1E1C30
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Noark Electric
30
277
B1E1C32
B1E1C32
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Noark Electric
32
277
B1E1C35
B1E1C35
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Noark Electric
35
277
B1E1C4
B1E1C4
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Noark Electric
4
277
B1E1C40
B1E1C40
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Noark Electric
40
277
B1E1C50
B1E1C50
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Noark Electric
50
277
B1E1C6
B1E1C6
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Noark Electric
6
277
B1E1C60
B1E1C60
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Noark Electric
60
277
B1E1C63
B1E1C63
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Noark Electric
63
277
B1E1C8
B1E1C8
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Noark Electric
8
277
B1E1D1
B1E1D1
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Noark Electric
1
277
B1E1D1.6
B1E1D1.6
Limited Stock
From
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Noark Electric
1.6
277
B1E1D10
B1E1D10
Limited Stock
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Noark Electric
10
277
B1E1D13
B1E1D13
Limited Stock
From
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Noark Electric
13
277
B1E1D15
B1E1D15
Limited Stock
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Noark Electric
15
277
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.