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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
TEY250AS1B
TEY250AS1B
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General Electric
50
480
TEY260AS1A
TEY260AS1A
Limited Stock
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General Electric
60
480
TEY260AS1B
TEY260AS1B
Limited Stock
From
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General Electric
60
480
TEY260ASAB
TEY260ASAB
Limited Stock
From
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General Electric
60
480
TEY270AS1A
TEY270AS1A
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From
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General Electric
70
480
TEY270AS1B
TEY270AS1B
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From
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General Electric
70
480
TEY280AS1A
TEY280AS1A
Limited Stock
From
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General Electric
80
480
TEY280AS1B
TEY280AS1B
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General Electric
80
480
TEY280ST12
TEY280ST12
Limited Stock
From
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General Electric
80
480
TEY290AS1A
TEY290AS1A
Limited Stock
From
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General Electric
90
480
TEY290AS1B
TEY290AS1B
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From
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General Electric
90
480
TEY290ASAB
TEY290ASAB
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From
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General Electric
90
480
TEY290ST12
TEY290ST12
Limited Stock
From
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General Electric
90
480
TEY3100AS1A
TEY3100AS1A
Limited Stock
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General Electric
100
480
TEY3100AS1B
TEY3100AS1B
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General Electric
100
480
TEY315AS1A
TEY315AS1A
Limited Stock
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General Electric
15
480
TEY315AS1B
TEY315AS1B
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From
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General Electric
15
480
TEY320AS1A
TEY320AS1A
Limited Stock
From
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General Electric
20
480
TEY320AS1B
TEY320AS1B
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General Electric
20
480
TEY325AS1A
TEY325AS1A
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General Electric
25
480
TEY325AS1B
TEY325AS1B
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From
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General Electric
25
480
TEY330AS1B
TEY330AS1B
Limited Stock
From
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General Electric
30
480
TEY335AS1A
TEY335AS1A
Limited Stock
From
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General Electric
35
480
TEY345AS1A
TEY345AS1A
Limited Stock
From
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General Electric
45
480
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.