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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
NEF211040
NEF211040
Limited Stock
From
Get Price
American
40
277
NEF211060
NEF211060
Limited Stock
From
Get Price
Federal Pacific
60
277
NEF211070
NEF211070
Limited Stock
From
Get Price
Federal Pacific
70
277
NEF213015
NEF213015
In Stock
From
$121.91
Federal Pacific
15
277
NEF214015
NEF214015
In Stock
From
$22.22
Federal Pacific
15
277
NEF214025
NEF214025
In Stock
From
$116.64
Federal Pacific
25
277
NEF214030
NEF214030
In Stock
From
$25.74
American
30
277
NEF214035
NEF214035
In Stock
From
$79.06
Federal Pacific
35
277
NEF214040
NEF214040
In Stock
From
$74.06
Federal Pacific
40
277
NEF214045
NEF214045
In Stock
From
$37.60
American
45
277
NEF214050
NEF214050
In Stock
From
$77.70
Federal Pacific
50
277
NEF214060
NEF214060
In Stock
From
$106.42
American
60
277
NEF214070
NEF214070
In Stock
From
$118.26
Federal Pacific
70
277
NEF214080
NEF214080
In Stock
From
$117.29
Federal Pacific
80
277
NEF214090
NEF214090
In Stock
From
$118.75
Federal Pacific
90
277
NEF214100
NEF214100
In Stock
From
$118.69
Federal Pacific
100
277
NEF217015
NEF217015
In Stock
From
$30.03
Federal Pacific
15
277
NEF217030
NEF217030
In Stock
From
$32.94
Federal Pacific
30
277
NEF217040
NEF217040
In Stock
From
$133.97
American
40
277
NEF217100
NEF217100
In Stock
From
$61.49
Federal Pacific
100
277
NEF421015
NEF421015
In Stock
From
$107.66
American
15
480
NEF421020
NEF421020
In Stock
From
$208.19
Federal Pacific
20
480
NEF421030
NEF421030
In Stock
From
$158.17
Federal Pacific
30
480
NEF421040
NEF421040
In Stock
From
$320.20
Federal Pacific
40
480
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.