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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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LA361501037
LA361501037
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600
LA361501042
LA361501042
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600
LA361501121
LA361501121
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LA361501124
LA361501124
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150
600
LA361501127
LA361501127
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600
LA361501128
LA361501128
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150
600
LA361501143
LA361501143
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600
LA361501212
LA361501212
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600
LA361501352
LA361501352
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150
600
LA361501364
LA361501364
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150
600
LA361502100
LA361502100
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150
600
LA361502103
LA361502103
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Square D
150
600
LA36150CBA
LA36150CBA
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Square D
150
600
LA36150MB
LA36150MB
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150
600
LA361751027
LA361751027
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Square D
175
600
LA361751028
LA361751028
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Square D
175
600
LA361751029
LA361751029
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Square D
175
600
LA361751030
LA361751030
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Square D
175
600
LA361751037
LA361751037
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Square D
175
600
LA361751042
LA361751042
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Square D
175
600
LA361751121
LA361751121
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Square D
175
600
LA361751124
LA361751124
Limited Stock
From
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Square D
175
600
LA361751127
LA361751127
Limited Stock
From
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Square D
175
600
LA361751128
LA361751128
Limited Stock
From
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Square D
175
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.