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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
PGA36120U44AE1AA
PGA36120U44AE1AA
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Schneider Electric
1200
600
PGA36120U44AE1AB
PGA36120U44AE1AB
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Schneider Electric
1200
600
PGA36120U44AE1AC
PGA36120U44AE1AC
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Schneider Electric
1200
600
PGA36120U44AE1BC
PGA36120U44AE1BC
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Square D
1200
600
PGA36120U44AE1BD
PGA36120U44AE1BD
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Schneider Electric
1200
600
PGA36120U44AE1YP
PGA36120U44AE1YP
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Square D
1200
600
PGA36120U44AYP
PGA36120U44AYP
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Schneider Electric
1200
600
PGA36120YP
PGA36120YP
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Schneider Electric
1200
600
PGL36100U41AAA
PGL36100U41AAA
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Square D
1000
600
PGL36100U41AAB
PGL36100U41AAB
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Square D
1000
600
PGL36100U41AAC
PGL36100U41AAC
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Square D
1000
600
PGL36100U41ABC
PGL36100U41ABC
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Schneider Electric
1000
600
PGL36100U41ABD
PGL36100U41ABD
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Square D
1000
600
PGL36100U41AYP
PGL36100U41AYP
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Square D
1000
600
PGL36120U41AYP
PGL36120U41AYP
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Schneider Electric
1200
600
PJA36025CU44AE1AB
PJA36025CU44AE1AB
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Schneider Electric
250
600
PJA36060U43AE1YP
PJA36060U43AE1YP
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Schneider Electric
600
600
PJA36080U44AAA
PJA36080U44AAA
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Schneider Electric
800
600
PJA36080U44AAB
PJA36080U44AAB
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Schneider Electric
800
600
PJA36080U44AAC
PJA36080U44AAC
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From
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Square D
800
600
PJA36080U44ABC
PJA36080U44ABC
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From
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Schneider Electric
800
600
PJA36080U44ABD
PJA36080U44ABD
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Schneider Electric
800
600
PJA36080U44AE1
PJA36080U44AE1
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Square D
800
600
PJA36080U44AE1AA
PJA36080U44AE1AA
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Square D
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.