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
NC350
NC350
Limited Stock
From
Get Price
Hager
NC363
NC363
Limited Stock
From
Get Price
Hager
NCN104A
NCN104A
Limited Stock
From
Get Price
Hager
NCN106A
NCN106A
Limited Stock
From
Get Price
Hager
NCN110A
NCN110A
Limited Stock
From
Get Price
Hager
NCN132A
NCN132A
Limited Stock
From
Get Price
Hager
NCN150A
NCN150A
Limited Stock
From
Get Price
Hager
NCN202A
NCN202A
Limited Stock
From
Get Price
Hager
NCN220A
NCN220A
Limited Stock
From
Get Price
Hager
NCN310A
NCN310A
Limited Stock
From
Get Price
Hager
NCN316A
NCN316A
Limited Stock
From
Get Price
Hager
NCN320A
NCN320A
Limited Stock
From
Get Price
Hager
NCN332A
NCN332A
Limited Stock
From
Get Price
Hager
NCN363A
NCN363A
Limited Stock
From
Get Price
Hager
ND-110
ND-110
Limited Stock
From
Get Price
Hager
ND-310
ND-310
Limited Stock
From
Get Price
Hager
ND125
ND125
Limited Stock
From
Get Price
Hager
NDN106A
NDN106A
Limited Stock
From
Get Price
Hager
NDN110A
NDN110A
Limited Stock
From
Get Price
Hager
NDN116A
NDN116A
Limited Stock
From
Get Price
Hager
NDN132A
NDN132A
Limited Stock
From
Get Price
Hager
NDN202A
NDN202A
Limited Stock
From
Get Price
Hager
NDN310A
NDN310A
Limited Stock
From
Get Price
Hager
NDN316A
NDN316A
Limited Stock
From
Get Price
Hager
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.