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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
B1H2D1.6R
B1H2D1.6R
Limited Stock
From
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Noark Electric
1.6
480
B1H2D10
B1H2D10
Limited Stock
From
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Noark Electric
10
480
B1H2D10R
B1H2D10R
Limited Stock
From
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Noark Electric
10
480
B1H2D13R
B1H2D13R
Limited Stock
From
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Noark Electric
13
480
B1H2D15R
B1H2D15R
Limited Stock
From
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Noark Electric
15
480
B1H2D16
B1H2D16
Limited Stock
From
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Noark Electric
16
480
B1H2D16R
B1H2D16R
Limited Stock
From
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Noark Electric
16
480
B1H2D1R
B1H2D1R
Limited Stock
From
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Noark Electric
1
480
B1H2D2
B1H2D2
Limited Stock
From
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Noark Electric
2
480
B1H2D20
B1H2D20
Limited Stock
From
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Noark Electric
20
480
B1H2D20R
B1H2D20R
Limited Stock
From
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Noark Electric
20
480
B1H2D2R
B1H2D2R
Limited Stock
From
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Noark Electric
2
480
B1H2D3
B1H2D3
Limited Stock
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Noark Electric
3
480
B1H2D3R
B1H2D3R
Limited Stock
From
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Noark Electric
3
480
B1H2D4
B1H2D4
Limited Stock
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Noark Electric
4
480
B1H2D4R
B1H2D4R
Limited Stock
From
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Noark Electric
4
480
B1H2D5
B1H2D5
Limited Stock
From
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Noark Electric
5
480
B1H2D5R
B1H2D5R
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From
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Noark Electric
5
480
B1H2D6
B1H2D6
Limited Stock
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Noark Electric
6
480
B1H2D6R
B1H2D6R
Limited Stock
From
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Noark Electric
6
480
B1H2D8
B1H2D8
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From
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Noark Electric
8
480
B1H2D8R
B1H2D8R
Limited Stock
From
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Noark Electric
8
480
B1H3B0.5
B1H3B0.5
Limited Stock
From
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Noark Electric
0.5
480
B1H3B0.5R
B1H3B0.5R
Limited Stock
From
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Noark Electric
0.5
480
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.