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
NEF434025
NEF434025
Limited Stock
From
Get Price
Federal Pacific
25
480
NEF434030
NEF434030
Limited Stock
From
Get Price
American
30
480
NEF434035
NEF434035
Limited Stock
From
Get Price
Federal Pacific
35
480
NEF434060
NEF434060
Limited Stock
From
Get Price
Federal Pacific
60
480
NEF434070
NEF434070
Limited Stock
From
Get Price
American
70
480
NEF434080
NEF434080
Limited Stock
From
Get Price
Federal Pacific
80
480
NEF434100R
NEF434100R
Limited Stock
From
Get Price
American
100
480
NEF621020
NEF621020
Limited Stock
From
Get Price
Federal Pacific
20
600
NEF621025
NEF621025
Limited Stock
From
Get Price
American
25
600
NEF621030
NEF621030
Limited Stock
From
Get Price
Federal Pacific
30
600
NEF621035
NEF621035
Limited Stock
From
Get Price
Federal Pacific
35
600
NEF621040
NEF621040
Limited Stock
From
Get Price
American
40
600
NEF621050
NEF621050
Limited Stock
From
Get Price
Federal Pacific
50
600
NEF621060
NEF621060
Limited Stock
From
Get Price
American
60
600
NEF621080
NEF621080
Limited Stock
From
Get Price
Federal Pacific
80
600
NEF621090
NEF621090
Limited Stock
From
Get Price
Federal Pacific
90
600
NEF621100
NEF621100
Limited Stock
From
Get Price
American
100
600
NFJ431150
NFJ431150
Limited Stock
From
Get Price
FPE
150
480
NJL621400F
NJL621400F
Limited Stock
From
Get Price
American
400
600
NA-NI-230
NA-NI-230
Limited Stock
From
Get Price
Federal Pacific
30
240
NE113025
NE113025
Limited Stock
From
Get Price
American
25
120
NE113035
NE113035
Limited Stock
From
Get Price
American
35
120
NE113045
NE113045
Limited Stock
From
Get Price
American
45
120
NE113060
NE113060
Limited Stock
From
Get Price
Federal Pacific
60
120
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.