1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
CHKD3175V
CHKD3175V
Limited Stock
From
Get Price
Eaton
175
600
CHKD3175W
CHKD3175W
Limited Stock
From
Get Price
Cutler Hammer
175
600
CHKD3175X
CHKD3175X
Limited Stock
From
Get Price
Cutler Hammer
175
600
CHKD3175Y
CHKD3175Y
Limited Stock
From
Get Price
Eaton
175
600
CHKD3200
CHKD3200
Limited Stock
From
Get Price
Westinghouse
200
600
CHKD3200V
CHKD3200V
Limited Stock
From
Get Price
Cutler Hammer
200
600
CHKD3200W
CHKD3200W
Limited Stock
From
Get Price
Westinghouse
200
600
CHKD3200X
CHKD3200X
Limited Stock
From
Get Price
Westinghouse
200
600
CHKD3200Y
CHKD3200Y
Limited Stock
From
Get Price
Westinghouse
200
600
CHKD3225
CHKD3225
Limited Stock
From
Get Price
Westinghouse
225
600
CHKD3225V
CHKD3225V
Limited Stock
From
Get Price
Cutler Hammer
225
600
CHKD3225W
CHKD3225W
Limited Stock
From
Get Price
Eaton
225
600
CHKD3225X
CHKD3225X
Limited Stock
From
Get Price
Cutler Hammer
225
600
CHKD3225Y
CHKD3225Y
Limited Stock
From
Get Price
Westinghouse
225
600
CHKD3250
CHKD3250
Limited Stock
From
Get Price
Eaton
250
600
CHKD3250V
CHKD3250V
Limited Stock
From
Get Price
Cutler Hammer
250
600
CHKD3250W
CHKD3250W
Limited Stock
From
Get Price
Westinghouse
250
600
CHKD3250X
CHKD3250X
Limited Stock
From
Get Price
Westinghouse
250
600
CHKD3250Y
CHKD3250Y
Limited Stock
From
Get Price
Eaton
250
600
CHKD3300
CHKD3300
Limited Stock
From
Get Price
Eaton
300
600
CHKD3300V
CHKD3300V
Limited Stock
From
Get Price
Westinghouse
300
600
CHKD3300W
CHKD3300W
Limited Stock
From
Get Price
Westinghouse
300
600
CHKD3300X
CHKD3300X
Limited Stock
From
Get Price
Eaton
300
600
CHKD3300Y
CHKD3300Y
Limited Stock
From
Get Price
Westinghouse
300
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.