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
4400.0031
4400.0031
Limited Stock
From
Get Price
Schurter
4400.0042
4400.0042
Limited Stock
From
Get Price
Schurter
4400.0169
4400.0169
Limited Stock
From
Get Price
Schurter
4400.0279
4400.0279
Limited Stock
From
Get Price
Schurter
4400.0512
4400.0512
Limited Stock
From
Get Price
Schurter
4400.0714
4400.0714
Limited Stock
From
Get Price
Schurter
4404.0019
4404.0019
Limited Stock
From
Get Price
Schurter
4404.0022
4404.0022
Limited Stock
From
Get Price
Schurter
4404.0023
4404.0023
Limited Stock
From
Get Price
Schurter
4404.0025
4404.0025
Limited Stock
From
Get Price
Schurter
4404.0078
4404.0078
Limited Stock
From
Get Price
Schurter
4410.0015
4410.0015
Limited Stock
From
Get Price
Schurter
4410.0016
4410.0016
Limited Stock
From
Get Price
Schurter
4410.0076
4410.0076
Limited Stock
From
Get Price
Schurter
4410.0106
4410.0106
Limited Stock
From
Get Price
Schurter
4410.0151
4410.0151
Limited Stock
From
Get Price
Schurter
4410.0215
4410.0215
Limited Stock
From
Get Price
Schurter
4410.0239
4410.0239
Limited Stock
From
Get Price
Schurter
4410.9011
4410.9011
Limited Stock
From
Get Price
Schurter
4411.0033
4411.0033
Limited Stock
From
Get Price
Schurter
4420.0205
4420.0205
Limited Stock
From
Get Price
Schurter
4420.0232
4420.0232
Limited Stock
From
Get Price
Schurter
4420.0241
4420.0241
Limited Stock
From
Get Price
Schurter
4420.0273
4420.0273
Limited Stock
From
Get Price
Schurter
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.