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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
CJL3100EF
CJL3100EF
Limited Stock
From
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Federal Pioneer
100
600
CJL3100NF
CJL3100NF
Limited Stock
From
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Federal Pioneer
100
600
CJL3150EF
CJL3150EF
Limited Stock
From
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Federal Pioneer
150
600
CJL3150HF
CJL3150HF
Limited Stock
From
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Federal Pioneer
150
600
CJL3150NF
CJL3150NF
Limited Stock
From
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Federal Pioneer
150
600
CJL3200HF
CJL3200HF
Limited Stock
From
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Federal Pioneer
200
600
CJL3200NF
CJL3200NF
Limited Stock
From
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Federal Pioneer
200
600
CJL3250NF
CJL3250NF
Limited Stock
From
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Federal Pioneer
250
600
CJL3300HF
CJL3300HF
Limited Stock
From
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Federal Pioneer
300
600
CJL3300NF
CJL3300NF
Limited Stock
From
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Federal Pioneer
300
600
CJL3350EF
CJL3350EF
Limited Stock
From
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Federal Pioneer
350
600
CJL3350HF
CJL3350HF
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From
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Federal Pioneer
350
600
CJL3350NF
CJL3350NF
Limited Stock
From
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Federal Pioneer
350
600
CJL3400HF
CJL3400HF
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From
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Federal Pioneer
400
600
CK2400F
CK2400F
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Challenger
400
600
CKC3400F
CKC3400F
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From
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Challenger
400
600
CLE62B015
CLE62B015
Limited Stock
From
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Siemens
15
600
CLE62B025
CLE62B025
Limited Stock
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Siemens
25
600
CLE62B030
CLE62B030
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Siemens
30
600
CLE62B035
CLE62B035
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Siemens
35
600
CLE62B040
CLE62B040
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From
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Siemens
40
600
CLE62B050
CLE62B050
Limited Stock
From
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Siemens
50
600
CLE62B060
CLE62B060
Limited Stock
From
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Siemens
60
600
CLE62B070
CLE62B070
Limited Stock
From
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Siemens
70
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.