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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
B1E2D50
B1E2D50
Limited Stock
From
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Noark Electric
50
480
B1E2P100
B1E2P100
Limited Stock
From
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Noark Electric
100
480
B1E3C60
B1E3C60
Limited Stock
From
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Noark Electric
60
480
B1E3P100
B1E3P100
Limited Stock
From
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Noark Electric
100
480
B1H1C13
B1H1C13
Limited Stock
From
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Noark Electric
13
277
B1H2B10
B1H2B10
Limited Stock
From
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Noark Electric
10
480
B1H2D13
B1H2D13
Limited Stock
From
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Noark Electric
13
480
B1N1C15
B1N1C15
Limited Stock
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Noark Electric
15
240
B1N2B2R
B1N2B2R
Limited Stock
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Noark Electric
2
240
B1N3B8R
B1N3B8R
Limited Stock
From
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Noark Electric
8
240
B1N3C50
B1N3C50
Limited Stock
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Noark Electric
50
240
B1NQ1C20
B1NQ1C20
Limited Stock
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Noark Electric
20
240
B1NQ1D2
B1NQ1D2
Limited Stock
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Noark Electric
2
240
B1NQ2C10
B1NQ2C10
Limited Stock
From
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Noark Electric
10
240
B1NQ2C60
B1NQ2C60
Limited Stock
From
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Noark Electric
60
240
M1N100T2
M1N100T2
Limited Stock
From
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Noark Electric
100
600
M1N100T2L
M1N100T2L
Limited Stock
From
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Noark Electric
100
600
M1N100T2P
M1N100T2P
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From
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Noark Electric
100
600
M1N100T2R
M1N100T2R
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From
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Noark Electric
100
600
M1N100T3
M1N100T3
Limited Stock
From
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Noark Electric
100
600
M1N100T3P
M1N100T3P
Limited Stock
From
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Noark Electric
100
600
M1N100T3R
M1N100T3R
Limited Stock
From
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Noark Electric
100
600
M1N15T2
M1N15T2
Limited Stock
From
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Noark Electric
15
600
M1N15T2L
M1N15T2L
Limited Stock
From
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Noark Electric
15
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.