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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
GDB2040
GDB2040
Limited Stock
From
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Westinghouse
40
480
GDB2050
GDB2050
Limited Stock
From
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Cutler Hammer
50
480
HCA2100V
HCA2100V
Limited Stock
From
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Westinghouse
100
240
HCA2100VW
HCA2100VW
Limited Stock
From
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Westinghouse
100
240
HCA2100VX
HCA2100VX
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Westinghouse
100
240
HCA2100VY
HCA2100VY
Limited Stock
From
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Cutler Hammer
100
240
HCA2125V
HCA2125V
Limited Stock
From
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Cutler Hammer
125
240
HCA2125VW
HCA2125VW
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From
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Cutler Hammer
125
240
HCA2125VX
HCA2125VX
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Westinghouse
125
240
HCA2125VY
HCA2125VY
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Westinghouse
125
240
HCA2150V
HCA2150V
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Westinghouse
150
240
HCA2150VW
HCA2150VW
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From
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Westinghouse
150
240
HCA2150VX
HCA2150VX
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From
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Westinghouse
150
240
HCA2150VY
HCA2150VY
Limited Stock
From
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Cutler Hammer
150
240
HCA2175V
HCA2175V
Limited Stock
From
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Westinghouse
175
240
HCA2175VW
HCA2175VW
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From
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Westinghouse
175
240
HCA2175VX
HCA2175VX
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Westinghouse
175
240
HCA2175VY
HCA2175VY
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Westinghouse
175
240
HCA2200V
HCA2200V
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Westinghouse
200
240
HCA2200VW
HCA2200VW
Limited Stock
From
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Westinghouse
200
240
HCA2200VX
HCA2200VX
Limited Stock
From
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Cutler Hammer
200
240
HCA2200VY
HCA2200VY
Limited Stock
From
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Westinghouse
200
240
HCA2225V
HCA2225V
Limited Stock
From
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Westinghouse
225
240
HCA2225VW
HCA2225VW
Limited Stock
From
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Westinghouse
225
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.