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
NB2P100H
NB2P100H
Limited Stock
From
Get Price
American
100
240
NB2P110H
NB2P110H
Limited Stock
From
Get Price
Federal Pacific
110
240
NB2P15H
NB2P15H
Limited Stock
From
Get Price
American
15
240
NB2P20H
NB2P20H
Limited Stock
From
Get Price
Federal Pacific
20
240
NB2P25
NB2P25
Limited Stock
From
Get Price
American
25
240
NB2P25H
NB2P25H
Limited Stock
From
Get Price
Federal Pacific
25
240
NB2P30H
NB2P30H
Limited Stock
From
Get Price
American
30
240
NB2P35
NB2P35
Limited Stock
From
Get Price
American
35
240
NB2P35H
NB2P35H
Limited Stock
From
Get Price
American
35
240
NB2P40
NB2P40
Limited Stock
From
Get Price
Federal Pacific
40
240
NB2P40H
NB2P40H
Limited Stock
From
Get Price
American
40
240
NB2P45
NB2P45
Limited Stock
From
Get Price
Federal Pacific
45
240
NB2P45H
NB2P45H
Limited Stock
From
Get Price
Federal Pacific
45
240
NB2P50
NB2P50
Limited Stock
From
Get Price
Federal Pacific
50
240
NB2P50H
NB2P50H
Limited Stock
From
Get Price
Federal Pacific
50
240
NB2P60H
NB2P60H
Limited Stock
From
Get Price
American
60
240
NB2P70H
NB2P70H
Limited Stock
From
Get Price
Federal Pacific
70
240
NB2P80
NB2P80
Limited Stock
From
Get Price
American
80
240
NB2P80H
NB2P80H
Limited Stock
From
Get Price
American
80
240
NB2P90H
NB2P90H
Limited Stock
From
Get Price
American
90
240
NBGF35
NBGF35
Limited Stock
From
Get Price
Federal Pacific
35
120
NBGF40
NBGF40
Limited Stock
From
Get Price
Federal Pacific
40
120
NBN221015
NBN221015
Limited Stock
From
Get Price
American
15
240
NBN221025
NBN221025
Limited Stock
From
Get Price
Federal Pacific
25
240
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.