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
IFL340701021
IFL340701021
Limited Stock
From
Get Price
Square D
70
480
IFL34080
IFL34080
Limited Stock
From
Get Price
Square D
80
480
IFL341001021
IFL341001021
Limited Stock
From
Get Price
Square D
100
480
IFL36030
IFL36030
Limited Stock
From
Get Price
Square D
30
600
IFL36040
IFL36040
Limited Stock
From
Get Price
Square D
40
600
IFL36080
IFL36080
Limited Stock
From
Get Price
Square D
80
600
IK24110
IK24110
Limited Stock
From
Get Price
Square D
110
480
IK24125
IK24125
Limited Stock
From
Get Price
Square D
125
480
IK24150
IK24150
Limited Stock
From
Get Price
Square D
150
480
IK24175
IK24175
Limited Stock
From
Get Price
Square D
175
480
IK24200
IK24200
Limited Stock
From
Get Price
Square D
200
480
IK24225
IK24225
Limited Stock
From
Get Price
Square D
225
480
IK24250
IK24250
Limited Stock
From
Get Price
Square D
250
480
IK34110
IK34110
Limited Stock
From
Get Price
Square D
110
480
IK34250
IK34250
Limited Stock
From
Get Price
Square D
250
480
ILL344001021
ILL344001021
Limited Stock
From
Get Price
Square D
400
480
INSE80-40A-4P
INSE80-40A-4P
Limited Stock
From
Get Price
Schneider Electric
40
600
INSE80-60A
INSE80-60A
Limited Stock
From
Get Price
Schneider Electric
60
600
INSE80-60A-4P
INSE80-60A-4P
Limited Stock
From
Get Price
Schneider Electric
60
600
INSE80-80A
INSE80-80A
Limited Stock
From
Get Price
Schneider Electric
80
600
INSE80-80A-4P
INSE80-80A-4P
Limited Stock
From
Get Price
Square D
80
600
INSJ400-250A
INSJ400-250A
Limited Stock
From
Get Price
Square D
250
600
INSJ400-250A-4P
INSJ400-250A-4P
Limited Stock
From
Get Price
Square D
250
600
INSJ400-400A-4P
INSJ400-400A-4P
Limited Stock
From
Get Price
Schneider Electric
400
600
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.