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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
CKAXLE36100LI
CKAXLE36100LI
Limited Stock
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Schneider Electric
1000
690
CKAXLE36125LI
CKAXLE36125LI
Limited Stock
From
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Schneider Electric
1250
690
CKAXLE46080LI
CKAXLE46080LI
Limited Stock
From
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Schneider Electric
800
690
CKAXLE46100LI
CKAXLE46100LI
Limited Stock
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Square D
1000
690
CKAXLE46125LI
CKAXLE46125LI
Limited Stock
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Merlin Gerin
1250
690
CKHEF3604E1
CKHEF3604E1
Limited Stock
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Merlin Gerin
400
600
CKHEF3608E1
CKHEF3608E1
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Schneider Electric
800
600
CKHEF3612E1
CKHEF3612E1
Limited Stock
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Schneider Electric
1200
600
CKHEF3612LIERL
CKHEF3612LIERL
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Merlin Gerin
1200
600
CKHEF36404LI
CKHEF36404LI
Limited Stock
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Square D
400
600
CKHEF36808LI
CKHEF36808LI
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Schneider Electric
800
600
CKHEL3604E1
CKHEL3604E1
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Merlin Gerin
400
600
CKHEL3608E1
CKHEL3608E1
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Merlin Gerin
800
600
CKHEL36404LI
CKHEL36404LI
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Merlin Gerin
400
600
CKHEL36808LI
CKHEL36808LI
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Merlin Gerin
800
600
CKHXF3604E1
CKHXF3604E1
Limited Stock
From
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Merlin Gerin
400
600
CKHXF3608E1
CKHXF3608E1
Limited Stock
From
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Schneider Electric
800
600
CKHXF36121LI
CKHXF36121LI
Limited Stock
From
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Merlin Gerin
1200
600
CKHXF3612E1
CKHXF3612E1
Limited Stock
From
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Schneider Electric
1200
600
CKHXF36404LI
CKHXF36404LI
Limited Stock
From
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Merlin Gerin
400
600
CKHXF36808LI
CKHXF36808LI
Limited Stock
From
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Square D
800
600
CKHXF4604E1
CKHXF4604E1
Limited Stock
From
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Merlin Gerin
400
600
CKHXF4608E1
CKHXF4608E1
Limited Stock
From
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Square D
800
600
CKHXF46121LI
CKHXF46121LI
Limited Stock
From
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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.