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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
MCCG3600
MCCG3600
Limited Stock
From
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Westinghouse
600
600
MCCG3700
MCCG3700
Limited Stock
From
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Westinghouse
700
600
MCCG3800
MCCG3800
Limited Stock
From
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Westinghouse
800
600
MCCG3800F
MCCG3800F
Limited Stock
From
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Westinghouse
800
600
NCY31200F
NCY31200F
Limited Stock
From
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Westinghouse
1200
240
QNPL2100
QNPL2100
Limited Stock
From
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Westinghouse
100
240
RE1010
RE1010
Limited Stock
From
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Westinghouse
10
120
RE1010L
RE1010L
Limited Stock
From
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Westinghouse
10
120
RE1010V
RE1010V
Limited Stock
From
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Westinghouse
10
120
RE1010VL
RE1010VL
Limited Stock
From
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Westinghouse
10
120
RE1015
RE1015
Limited Stock
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Westinghouse
15
120
RE1015L
RE1015L
Limited Stock
From
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Westinghouse
15
120
RE1015V
RE1015V
Limited Stock
From
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Westinghouse
15
120
RE1015VL
RE1015VL
Limited Stock
From
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Westinghouse
15
120
RE1020L
RE1020L
Limited Stock
From
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Westinghouse
20
120
RE1020V
RE1020V
Limited Stock
From
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Westinghouse
20
120
RE1020VL
RE1020VL
Limited Stock
From
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Westinghouse
20
120
RE1025
RE1025
Limited Stock
From
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Westinghouse
25
120
RE1025L
RE1025L
Limited Stock
From
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Westinghouse
25
120
RE1025V
RE1025V
Limited Stock
From
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Westinghouse
25
120
RE1025VL
RE1025VL
Limited Stock
From
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Westinghouse
25
120
RE1030L
RE1030L
Limited Stock
From
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Westinghouse
30
120
RE1030V
RE1030V
Limited Stock
From
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Westinghouse
30
120
RE1030VL
RE1030VL
Limited Stock
From
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Westinghouse
30
120
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.