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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
NEF213030
NEF213030
In Stock
From
$49.48
Federal Pacific
30
277
015
015
In Stock
From
$38.88
Federal Pacific
15
-
NC015
NC015
In Stock
From
$12.89
Federal Pacific
15
120
NE111020
NE111020
In Stock
From
$33.84
Federal Pacific
20
120
NE224015
NE224015
In Stock
From
$105.52
American
15
240
NE224030
NE224030
In Stock
From
$187.72
Federal Pacific
30
240
NE224050
NE224050
In Stock
From
$83.69
Federal Pacific
50
240
NE224100
NE224100
In Stock
From
Get Price
American
100
240
NE231020
NE231020
In Stock
From
$184.85
Federal Pacific
20
240
NE231100
NE231100
In Stock
From
$463.84
Federal Pacific
100
240
NE233020
NE233020
In Stock
From
$188.76
American
20
240
NE233030
NE233030
In Stock
From
$122.56
Federal Pacific
30
240
NE234040
NE234040
In Stock
From
$178.54
American
40
240
NE234050
NE234050
In Stock
From
$295.16
American
50
240
NE234060
NE234060
In Stock
From
$561.39
Federal Pacific
60
240
NE234100
NE234100
In Stock
From
$327.80
Federal Pacific
100
240
NEF213020
NEF213020
In Stock
From
$119.07
Federal Pacific
20
277
NEF3P100A-MAG-ONLY
NEF3P100A-MAG-ONLY
In Stock
From
$464.40
American
100
480
NEF421050
NEF421050
In Stock
From
$317.68
Federal Pacific
50
480
NEF421060
NEF421060
In Stock
From
$770.12
American
60
480
NEF421080
NEF421080
In Stock
From
$295.59
Federal Pacific
80
480
NEF427040
NEF427040
In Stock
From
$384.24
Federal Pacific
40
480
NEF427150
NEF427150
In Stock
From
$1,049.02
Federal Pacific
150
480
NEF431015R
NEF431015R
In Stock
From
$108.88
Federal Pacific
15
480
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.