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
CKD3150V
CKD3150V
Limited Stock
From
Get Price
Eaton
150
600
CKD3175V
CKD3175V
Limited Stock
From
Get Price
Westinghouse
175
600
CKD3200V
CKD3200V
Limited Stock
From
Get Price
Westinghouse
200
600
CKD3225V
CKD3225V
Limited Stock
From
Get Price
Eaton
225
600
CKD3250T57W
CKD3250T57W
Limited Stock
From
Get Price
Westinghouse
250
600
CKD3250V
CKD3250V
Limited Stock
From
Get Price
Westinghouse
250
600
CKD3300V
CKD3300V
Limited Stock
From
Get Price
Cutler Hammer
300
600
CKD3350V
CKD3350V
Limited Stock
From
Get Price
Westinghouse
350
600
CKD3400V
CKD3400V
Limited Stock
From
Get Price
Eaton
400
600
CLD3300
CLD3300
Limited Stock
From
Get Price
Westinghouse
300
600
CLD3350
CLD3350
Limited Stock
From
Get Price
Westinghouse
350
600
CLD3400
CLD3400
Limited Stock
From
Get Price
Cutler Hammer
400
600
CLD3400T56W
CLD3400T56W
Limited Stock
From
Get Price
Westinghouse
400
600
CLD3400T57W
CLD3400T57W
Limited Stock
From
Get Price
Cutler Hammer
400
600
CLD3450
CLD3450
Limited Stock
From
Get Price
Westinghouse
450
600
CLD3500
CLD3500
Limited Stock
From
Get Price
Westinghouse
500
600
ED2125BP10
ED2125BP10
Limited Stock
From
Get Price
Eaton
125
240
ED2200BP10
ED2200BP10
Limited Stock
From
Get Price
Eaton
200
240
ED2225BP10
ED2225BP10
Limited Stock
From
Get Price
Eaton
225
240
EHB1035
EHB1035
Limited Stock
From
Get Price
Westinghouse
35
277
EHB1045
EHB1045
Limited Stock
From
Get Price
Cutler Hammer
45
277
EHB1050L
EHB1050L
Limited Stock
From
Get Price
Westinghouse
50
277
EHB1050S
EHB1050S
Limited Stock
From
Get Price
Westinghouse
50
277
EHB1050SL
EHB1050SL
Limited Stock
From
Get Price
Westinghouse
50
277
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.