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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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Voltage
PEL1236LSIG
PEL1236LSIG
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1200
600
PEL1636
PEL1636
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1600
600
PEL1636LI
PEL1636LI
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1600
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PEL1636LIG
PEL1636LIG
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1600
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PEL1636LS
PEL1636LS
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PEL1636LSG
PEL1636LSG
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PEL1636LSI
PEL1636LSI
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1600
600
PEL1636LSIG
PEL1636LSIG
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1600
600
PEL2036
PEL2036
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Square D
2000
600
PEL2036LI
PEL2036LI
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Square D
2000
600
PEL2036LIG
PEL2036LIG
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Square D
2000
600
PEL2036LS
PEL2036LS
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Square D
2000
600
PEL2036LSG
PEL2036LSG
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Square D
2000
600
PEL2036LSI
PEL2036LSI
Limited Stock
From
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Square D
2000
600
PEL2036LSIG
PEL2036LSIG
Limited Stock
From
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Square D
2000
600
PELG1236LI
PELG1236LI
Limited Stock
From
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Square D
1200
600
PELG1236LS
PELG1236LS
Limited Stock
From
Get Price
Square D
1200
600
PELG1236LSI
PELG1236LSI
Limited Stock
From
Get Price
Square D
1200
600
PELG1636
PELG1636
Limited Stock
From
Get Price
Square D
1600
600
PELG1636LI
PELG1636LI
Limited Stock
From
Get Price
Square D
1600
600
PELG1636LS
PELG1636LS
Limited Stock
From
Get Price
Square D
1600
600
PELG1636LSI
PELG1636LSI
Limited Stock
From
Get Price
Square D
1600
600
PELG2036
PELG2036
Limited Stock
From
Get Price
Square D
2000
600
PELG2036LI
PELG2036LI
Limited Stock
From
Get Price
Square D
2000
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.