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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
CHB225H2
CHB225H2
Limited Stock
From
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Cutler Hammer
25
240
CHB225H2ST
CHB225H2ST
Limited Stock
From
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Cutler Hammer
25
240
CHB225ST
CHB225ST
Limited Stock
From
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Cutler Hammer
25
240
CHB230H2
CHB230H2
Limited Stock
From
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Cutler Hammer
30
240
CHB230H2ST
CHB230H2ST
Limited Stock
From
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Cutler Hammer
30
240
CHB230ST
CHB230ST
Limited Stock
From
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Cutler Hammer
30
240
CHB235
CHB235
Limited Stock
From
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Cutler Hammer
35
240
CHB235H2
CHB235H2
Limited Stock
From
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Cutler Hammer
35
240
CHB235H2ST
CHB235H2ST
Limited Stock
From
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Cutler Hammer
35
240
CHB240H2
CHB240H2
Limited Stock
From
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Cutler Hammer
40
240
CHB240H2ST
CHB240H2ST
Limited Stock
From
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Cutler Hammer
40
240
CHB240ST
CHB240ST
Limited Stock
From
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Cutler Hammer
4
240
CHB245
CHB245
Limited Stock
From
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Cutler Hammer
45
240
CHB245H2
CHB245H2
Limited Stock
From
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Cutler Hammer
45
240
CHB245H2ST
CHB245H2ST
Limited Stock
From
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Cutler Hammer
45
240
CHB245ST
CHB245ST
Limited Stock
From
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Cutler Hammer
45
240
CHB250H2
CHB250H2
Limited Stock
From
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Cutler Hammer
50
240
CHB250H2ST
CHB250H2ST
Limited Stock
From
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Cutler Hammer
50
240
CHB250ST
CHB250ST
Limited Stock
From
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Cutler Hammer
50
240
CHB260H2
CHB260H2
Limited Stock
From
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Cutler Hammer
60
240
CHB260H2ST
CHB260H2ST
Limited Stock
From
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Cutler Hammer
60
240
CHB270H4
CHB270H4
Limited Stock
From
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Cutler Hammer
70
240
CHND3800T77W
CHND3800T77W
Limited Stock
From
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Westinghouse
800
600
CHQ240GF
CHQ240GF
Limited Stock
From
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Cutler Hammer
40
240
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.