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
LV431681ATS2
LV431681ATS2
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431681ATS3
LV431681ATS3
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431681ATS4
LV431681ATS4
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431681D
LV431681D
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431681MT1
LV431681MT1
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431681MT2
LV431681MT2
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431681P
LV431681P
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682
LV431682
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682ATS2
LV431682ATS2
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682ATS3
LV431682ATS3
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682ATS4
LV431682ATS4
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682D
LV431682D
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682MT1
LV431682MT1
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682MT2
LV431682MT2
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431682P
LV431682P
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683
LV431683
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683ATS2
LV431683ATS2
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683ATS3
LV431683ATS3
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683ATS4
LV431683ATS4
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683D
LV431683D
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683MT1
LV431683MT1
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683MT2
LV431683MT2
Limited Stock
From
Get Price
Schneider Electric
250
690
LV431683P
LV431683P
Limited Stock
From
Get Price
Schneider Electric
250
690
LV4316890
LV4316890
Limited Stock
From
Get Price
Schneider Electric
250
690
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.