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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
NEF431015
NEF431015
In Stock
From
$208.66
Federal Pacific
15
480
NEF431040
NEF431040
In Stock
From
$276.50
Federal Pacific
40
480
NEF431070
NEF431070
In Stock
From
$307.39
American
70
480
NEF431100
NEF431100
In Stock
From
$360.55
Federal Pacific
100
480
NEF433015R
NEF433015R
In Stock
From
$294.59
Federal Pacific
15
480
NFJ631150
NFJ631150
In Stock
From
$510.98
Federal Pacific
150
600
NE111015
NE111015
In Stock
From
$25.92
Federal Pacific
15
120
NE111040
NE111040
In Stock
From
$0.17
American
40
120
NE113030
NE113030
In Stock
From
$4.21
American
30
120
NE114020
NE114020
In Stock
From
$51.24
Federal Pacific
20
120
NE211015
NE211015
In Stock
From
$10.85
American
15
120
NE221090
NE221090
In Stock
From
$192.49
Federal Pacific
90
240
NE224010
NE224010
In Stock
From
$99.60
Federal Pacific
10
240
NE224015S
NE224015S
In Stock
From
$108.81
Federal Pacific
15
240
NE224020
NE224020
In Stock
From
$143.99
Federal Pacific
20
240
NE224020S
NE224020S
In Stock
From
$177.91
Federal Pacific
20
240
NE224025
NE224025
In Stock
From
$224.49
American
25
240
NE224025S
NE224025S
In Stock
From
$108.96
American
25
240
NE224030S
NE224030S
In Stock
From
$231.05
American
30
240
NE224035
NE224035
In Stock
From
$216.83
Federal Pacific
35
240
NE224035S
NE224035S
In Stock
From
$109.70
American
35
240
NE224040
NE224040
In Stock
From
$381.06
American
40
240
NE224040S
NE224040S
In Stock
From
$110.46
American
40
240
NE224045
NE224045
In Stock
From
$373.48
American
45
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.