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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
NEJH227200
NEJH227200
In Stock
From
$1,563.76
Federal Pacific
200
240
NEJH227225
NEJH227225
In Stock
From
$243.31
Federal Pacific
225
240
NEJH233100
NEJH233100
In Stock
From
$414.93
Federal Pacific
100
240
NEJH233200
NEJH233200
In Stock
From
$217.94
Federal Pacific
200
240
NEJH233225
NEJH233225
In Stock
From
$487.30
Federal Pacific
225
240
NEJH237100
NEJH237100
In Stock
From
$373.44
Federal Pacific
100
240
NEJH237125
NEJH237125
In Stock
From
$315.56
Federal Pacific
125
240
NEJH237150
NEJH237150
In Stock
From
$732.01
Federal Pacific
150
240
NEJH237175
NEJH237175
In Stock
From
$450.17
Federal Pacific
175
240
NEJH237200
NEJH237200
In Stock
From
$570.91
Federal Pacific
200
240
NEJH237225
NEJH237225
In Stock
From
$256.20
Federal Pacific
225
240
NFJ631070R
NFJ631070R
In Stock
From
$640.36
Federal Pacific
70
600
NFJ631175
NFJ631175
In Stock
From
$252.50
American
175
600
NFJ631175R
NFJ631175R
In Stock
From
$208.63
Federal Pacific
175
600
NFJ631225
NFJ631225
In Stock
From
$838.62
American
225
600
NFJ631225R
NFJ631225R
In Stock
From
$235.71
Federal Pacific
225
600
NJL621125
NJL621125
In Stock
From
$2,476.25
American
125
600
NJL621250
NJL621250
In Stock
From
$4.05
Federal Pacific
250
600
NM631175
NM631175
In Stock
From
$1,885.11
Federal Pacific
175
600
4370
4370
In Stock
From
$84.55
Federal Pacific
-
-
0215
0215
Limited Stock
From
Get Price
Federal Pacific
15
240
0220
0220
Limited Stock
From
Get Price
Federal Pacific
20
240
040
040
Limited Stock
From
Get Price
Federal Pacific
40
120
2P125H
2P125H
In Stock
From
$721.26
Federal Pacific
125
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.