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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
MJA367006UC
MJA367006UC
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Square D
700
600
MJA367006UH
MJA367006UH
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From
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Square D
700
600
MJA367006UK
MJA367006UK
Limited Stock
From
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Schneider Electric
700
600
MJA367006UL
MJA367006UL
Limited Stock
From
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Schneider Electric
700
600
MJA367006YP
MJA367006YP
Limited Stock
From
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Schneider Electric
700
600
MJA36700AA
MJA36700AA
Limited Stock
From
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Square D
700
600
MJA36700AASA
MJA36700AASA
Limited Stock
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Square D
700
600
MJA36700AB
MJA36700AB
Limited Stock
From
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Square D
700
600
MJA36700ABSA
MJA36700ABSA
Limited Stock
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Schneider Electric
700
600
MJA36700AC
MJA36700AC
Limited Stock
From
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Square D
700
600
MJA36700ACSA
MJA36700ACSA
Limited Stock
From
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Schneider Electric
700
600
MJA36700SC
MJA36700SC
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Square D
700
600
MJA36700SD
MJA36700SD
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Schneider Electric
700
600
MJA36700SH
MJA36700SH
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From
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Schneider Electric
700
600
MJA36700SK
MJA36700SK
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From
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Schneider Electric
700
600
MJA36700SL
MJA36700SL
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From
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Square D
700
600
MJA36700SN
MJA36700SN
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From
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Schneider Electric
700
600
MJA36700UA
MJA36700UA
Limited Stock
From
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Square D
700
600
MJA36700UC
MJA36700UC
Limited Stock
From
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Schneider Electric
700
600
MJA36700UH
MJA36700UH
Limited Stock
From
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Square D
700
600
MJA36700UK
MJA36700UK
Limited Stock
From
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Schneider Electric
700
600
MJA36700UL
MJA36700UL
Limited Stock
From
Get Price
Schneider Electric
700
600
MJA368006AA
MJA368006AA
Limited Stock
From
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Schneider Electric
800
600
MJA368006AB
MJA368006AB
Limited Stock
From
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Schneider Electric
800
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.