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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
MJL36700AB
MJL36700AB
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Square D
700
600
MJL36700AC
MJL36700AC
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Schneider Electric
700
600
MJL36700SC
MJL36700SC
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Schneider Electric
700
600
MJL36700SD
MJL36700SD
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Schneider Electric
700
600
MJL36700SH
MJL36700SH
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Square D
700
600
MJL36700SK
MJL36700SK
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Square D
700
600
MJL36700SL
MJL36700SL
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Square D
700
600
MJL36700SN
MJL36700SN
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Schneider Electric
700
600
MJL36700UA
MJL36700UA
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Square D
700
600
MJL36700UC
MJL36700UC
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Schneider Electric
700
600
MJL36700UH
MJL36700UH
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Square D
700
600
MJL36700UK
MJL36700UK
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Square D
700
600
MJL36700UL
MJL36700UL
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Schneider Electric
700
600
MJL36700YP
MJL36700YP
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Schneider Electric
700
600
PGL36100U41AE1
PGL36100U41AE1
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Schneider Electric
1000
600
PGL36100U41AE1AA
PGL36100U41AE1AA
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Square D
1000
600
PGL36100U41AE1AB
PGL36100U41AE1AB
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Square D
1000
600
PGL36100U41AE1AC
PGL36100U41AE1AC
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Square D
1000
600
PGL36100U41AE1BC
PGL36100U41AE1BC
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Schneider Electric
1000
600
PGL36100U41AE1BD
PGL36100U41AE1BD
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Schneider Electric
1000
600
PGL36100U41AE1YP
PGL36100U41AE1YP
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From
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Schneider Electric
1000
600
PGL36120U41AAA
PGL36120U41AAA
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Square D
1200
600
PGL36120U41AAB
PGL36120U41AAB
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Schneider Electric
1200
600
PGL36120U41AAC
PGL36120U41AAC
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Square D
1200
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.