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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
NEF435030
NEF435030
In Stock
From
$207.65
Federal Pacific
30
480
NEF435035
NEF435035
In Stock
From
$505.00
Federal Pacific
35
480
NEF435040
NEF435040
In Stock
From
$206.49
American
40
480
NEF435050
NEF435050
In Stock
From
$189.45
Federal Pacific
50
480
NEF435060
NEF435060
In Stock
From
$590.38
American
60
480
NEF435070
NEF435070
In Stock
From
$230.99
Federal Pacific
70
480
NEF437010
NEF437010
In Stock
From
$226.13
Federal Pacific
10
480
NEF437015
NEF437015
In Stock
From
$227.78
American
15
480
NEF437020
NEF437020
In Stock
From
$205.50
Federal Pacific
20
480
NEF437025
NEF437025
In Stock
From
Get Price
Federal Pacific
25
480
NEF437030
NEF437030
In Stock
From
$360.44
American
30
480
NEF437035
NEF437035
In Stock
From
$229.41
American
35
480
NEF437040
NEF437040
In Stock
From
$328.69
Federal Pacific
40
480
NEF437045
NEF437045
In Stock
From
$229.60
American
45
480
NEF437050
NEF437050
In Stock
From
$226.58
American
50
480
NEF437070
NEF437070
In Stock
From
$239.97
Federal Pacific
70
480
NEF437080
NEF437080
In Stock
From
$716.80
American
80
480
NEF437090
NEF437090
In Stock
From
$358.40
Federal Pacific
90
480
NEF437150
NEF437150
In Stock
From
$1,612.80
American
150
480
NEF625060NA
NEF625060NA
In Stock
From
$169.41
American
100
600
NEF625100NA
NEF625100NA
In Stock
From
$73.49
American
100
600
NEF631010
NEF631010
In Stock
From
$211.62
American
10
600
NEF631015
NEF631015
In Stock
From
$117.88
Federal Pacific
15
600
NEF631020
NEF631020
In Stock
From
$164.35
Federal Pacific
20
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.