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
DGS36150E59
DGS36150E59
Limited Stock
From
Get Price
Schneider Electric
150
600
DGS36250E20
DGS36250E20
Limited Stock
From
Get Price
Square D
250
600
DGS36250E53
DGS36250E53
Limited Stock
From
Get Price
Schneider Electric
250
600
DGS36250E54
DGS36250E54
Limited Stock
From
Get Price
Square D
250
600
DGS36250E58
DGS36250E58
Limited Stock
From
Get Price
Schneider Electric
250
600
DGS36250E59
DGS36250E59
Limited Stock
From
Get Price
Schneider Electric
250
600
DGS36400E20
DGS36400E20
Limited Stock
From
Get Price
Square D
400
600
DGS36400E53
DGS36400E53
Limited Stock
From
Get Price
Square D
400
600
DGS36400E54
DGS36400E54
Limited Stock
From
Get Price
Schneider Electric
400
600
DGS36400E58
DGS36400E58
Limited Stock
From
Get Price
Square D
400
600
DGS36400E59
DGS36400E59
Limited Stock
From
Get Price
Square D
400
600
DGS36600E20
DGS36600E20
Limited Stock
From
Get Price
Square D
600
600
DGS36600E53
DGS36600E53
Limited Stock
From
Get Price
Square D
600
600
DGS36600E54
DGS36600E54
Limited Stock
From
Get Price
Schneider Electric
600
600
DGS36600E58
DGS36600E58
Limited Stock
From
Get Price
Square D
600
600
DGS36600E59
DGS36600E59
Limited Stock
From
Get Price
Square D
600
600
DJA34000S40
DJA34000S40
Limited Stock
From
Get Price
Square D
400
480
DJA34000S60
DJA34000S60
Limited Stock
From
Get Price
Square D
600
480
DJA34150E58
DJA34150E58
Limited Stock
From
Get Price
Schneider Electric
150
480
DJA34250E58
DJA34250E58
Limited Stock
From
Get Price
Schneider Electric
250
480
DJA34400E20
DJA34400E20
Limited Stock
From
Get Price
Schneider Electric
400
480
DJA34600E20
DJA34600E20
Limited Stock
From
Get Price
Square D
600
480
DJA34600E53
DJA34600E53
Limited Stock
From
Get Price
Square D
600
480
DJA34600E58
DJA34600E58
Limited Stock
From
Get Price
Schneider Electric
600
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.