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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
LBB2175
LBB2175
Limited Stock
From
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Westinghouse
175
600
LBB21750M
LBB21750M
Limited Stock
From
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Westinghouse
400
600
LBB21750MW
LBB21750MW
Limited Stock
From
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Westinghouse
1750
600
LBB21750SMW
LBB21750SMW
Limited Stock
From
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Westinghouse
400
600
LBB2175A
LBB2175A
Limited Stock
From
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Westinghouse
175
600
LBB2175NFS
LBB2175NFS
Limited Stock
From
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Westinghouse
175
600
LBB2175S
LBB2175S
Limited Stock
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Westinghouse
175
600
LBB2175SA
LBB2175SA
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Westinghouse
175
600
LBB2175SW
LBB2175SW
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Westinghouse
175
600
LBB2175W
LBB2175W
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Westinghouse
175
600
LBB2200
LBB2200
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Westinghouse
200
600
LBB2200A
LBB2200A
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Westinghouse
200
600
LBB2200NFS
LBB2200NFS
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Westinghouse
200
600
LBB2200S
LBB2200S
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Westinghouse
200
600
LBB2200SA
LBB2200SA
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From
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Westinghouse
200
600
LBB2200SW
LBB2200SW
Limited Stock
From
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Westinghouse
200
600
LBB2225
LBB2225
Limited Stock
From
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Westinghouse
225
600
LBB22250M
LBB22250M
Limited Stock
From
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Westinghouse
400
600
LBB22250MW
LBB22250MW
Limited Stock
From
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Westinghouse
400
600
LBB22250SMW
LBB22250SMW
Limited Stock
From
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Westinghouse
400
600
LBB2225A
LBB2225A
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Westinghouse
225
600
LBB2225S
LBB2225S
Limited Stock
From
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Westinghouse
225
600
LBB2225SA
LBB2225SA
Limited Stock
From
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Westinghouse
225
600
LBB2225SW
LBB2225SW
Limited Stock
From
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Westinghouse
225
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.