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
L9-35/2/C
L9-35/2/C
Limited Stock
From
Get Price
Sprecher & Schuh
35
480
L9-8/2/C
L9-8/2/C
Limited Stock
From
Get Price
Sprecher & Schuh
8
480
LADC3400
LADC3400
Limited Stock
From
Get Price
Westinghouse
400
500
LADC3400W
LADC3400W
Limited Stock
From
Get Price
Westinghouse
400
500
LADC3500W
LADC3500W
Limited Stock
From
Get Price
Westinghouse
500
500
LADC3600W
LADC3600W
Limited Stock
From
Get Price
Westinghouse
600
500
LAL36400MD
LAL36400MD
Limited Stock
From
Get Price
Square D
400
600
LAP36000M
LAP36000M
Limited Stock
From
Get Price
Square D
400
600
LCYG3600F
LCYG3600F
Limited Stock
From
Get Price
Westinghouse
600
240
LCYGA3600F
LCYGA3600F
Limited Stock
From
Get Price
Westinghouse
600
240
LGB2K015
LGB2K015
Limited Stock
From
Get Price
Siemens
15
600
LGB2K020
LGB2K020
Limited Stock
From
Get Price
Siemens
20
600
LGB2K025
LGB2K025
Limited Stock
From
Get Price
Siemens
25
600
LGB2K030
LGB2K030
Limited Stock
From
Get Price
Siemens
30
600
LGB2K035
LGB2K035
Limited Stock
From
Get Price
Siemens
35
600
LGB2K040
LGB2K040
Limited Stock
From
Get Price
Siemens
40
600
LGB2K045
LGB2K045
Limited Stock
From
Get Price
Siemens
45
600
LGB2K050
LGB2K050
Limited Stock
From
Get Price
Siemens
50
600
LGB2K060
LGB2K060
Limited Stock
From
Get Price
Siemens
60
600
LGB2K070
LGB2K070
Limited Stock
From
Get Price
Siemens
70
600
LGB2K080
LGB2K080
Limited Stock
From
Get Price
Siemens
80
600
LGB2K090
LGB2K090
Limited Stock
From
Get Price
Siemens
90
600
LGB2K100
LGB2K100
Limited Stock
From
Get Price
Siemens
100
600
LGB2K110
LGB2K110
Limited Stock
From
Get Price
Siemens
110
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.