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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
PEPG1236LI
PEPG1236LI
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Square D
1200
600
PEPG1236LS
PEPG1236LS
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Square D
1200
600
PEPG1236LSI
PEPG1236LSI
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Square D
1200
600
PEPG1636
PEPG1636
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Square D
1600
600
PEPG1636LI
PEPG1636LI
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Square D
1600
600
PEPG1636LS
PEPG1636LS
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Square D
1600
600
PEPG1636LSI
PEPG1636LSI
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Square D
1600
600
PEPG2036
PEPG2036
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Square D
2000
600
PEPG2036LI
PEPG2036LI
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Square D
2000
600
PEPG2036LS
PEPG2036LS
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Square D
2000
600
PEPG2036LSI
PEPG2036LSI
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Square D
2000
600
PGA36025AA
PGA36025AA
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Square D
250
600
PGA36025AB
PGA36025AB
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Schneider Electric
250
600
PGA36025AC
PGA36025AC
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Square D
250
600
PGA36025BC
PGA36025BC
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Square D
250
600
PGA36025BD
PGA36025BD
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Square D
250
600
PGA36025CU31AAA
PGA36025CU31AAA
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Schneider Electric
250
600
PGA36025CU31AAB
PGA36025CU31AAB
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Schneider Electric
250
600
PGA36025CU31AAC
PGA36025CU31AAC
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Schneider Electric
250
600
PGA36025CU31ABC
PGA36025CU31ABC
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Square D
250
600
PGA36025CU31ABD
PGA36025CU31ABD
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Schneider Electric
250
600
PGA36025CU31AYP
PGA36025CU31AYP
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Square D
250
600
PGA36025CU33AAA
PGA36025CU33AAA
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Square D
250
600
PGA36025CU33AAB
PGA36025CU33AAB
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Square D
250
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.