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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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PRICE
Manufacturer
Amperage
Voltage
PEEN3ATSE0125
PEEN3ATSE0125
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General Electric
125
600
PEEN3ATSE0150
PEEN3ATSE0150
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General Electric
150
600
PEEN3ATSE0250
PEEN3ATSE0250
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General Electric
250
600
PEEN3ATTR0125
PEEN3ATTR0125
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General Electric
125
600
PEEN3ATTR0150
PEEN3ATTR0150
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General Electric
150
600
PEEN3ATTR0200
PEEN3ATTR0200
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General Electric
200
600
PEEN3ATTR0225
PEEN3ATTR0225
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General Electric
225
600
PEEN3ATTR0250
PEEN3ATTR0250
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General Electric
250
600
PEEN4ATAJ0125
PEEN4ATAJ0125
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General Electric
125
600
PEEN4ATAJ0150
PEEN4ATAJ0150
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General Electric
150
600
PEEN4ATAJ0250
PEEN4ATAJ0250
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General Electric
250
600
PEEN4ATAK0125
PEEN4ATAK0125
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General Electric
125
600
PEEN4ATAK0150
PEEN4ATAK0150
Limited Stock
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General Electric
150
600
PEEN4ATAK0250
PEEN4ATAK0250
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General Electric
250
600
PEEN4ATAL0125
PEEN4ATAL0125
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General Electric
125
600
PEEN4ATAL0150
PEEN4ATAL0150
Limited Stock
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General Electric
150
600
PEEN4ATAL0250
PEEN4ATAL0250
Limited Stock
From
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General Electric
250
600
PEEN4ATAM0125
PEEN4ATAM0125
Limited Stock
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General Electric
125
600
PEEN4ATAM0150
PEEN4ATAM0150
Limited Stock
From
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General Electric
150
600
PEEN4ATAM0250
PEEN4ATAM0250
Limited Stock
From
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General Electric
250
600
PEEN4ATEJ0125
PEEN4ATEJ0125
Limited Stock
From
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General Electric
125
600
PEEN4ATEJ0150
PEEN4ATEJ0150
Limited Stock
From
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General Electric
150
600
PEEN4ATEJ0250
PEEN4ATEJ0250
Limited Stock
From
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General Electric
250
600
PEEN4ATEK0125
PEEN4ATEK0125
Limited Stock
From
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General Electric
125
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.