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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
NA2P80-FLAT-TOP
NA2P80-FLAT-TOP
In Stock
From
$224.80
Federal Pacific
80
240
NA2P90-FLAT-TOP
NA2P90-FLAT-TOP
In Stock
From
$353.82
Federal Pacific
90
240
NB111010
NB111010
Limited Stock
From
Get Price
American
10
120
NBGF40HC
NBGF40HC
In Stock
From
$341.12
Federal Pacific
40
120
NC040
NC040
In Stock
From
$22.02
Federal Pacific
40
120
NE113015
NE113015
In Stock
From
$2.98
American
15
120
NE113040
NE113040
In Stock
From
$45.00
Federal Pacific
40
120
NE113050
NE113050
In Stock
From
$39.96
Federal Pacific
50
120
NEF113020
NEF113020
In Stock
From
$10.11
American
20
120
NEF421015R
NEF421015R
In Stock
From
$72.94
Federal Pacific
15
480
NQ112015
NQ112015
In Stock
From
$33.73
Federal Pacific
15
120
UBIF15
UBIF15
In Stock
From
$7.58
Federal Pacific
15
240
UBIF30
UBIF30
In Stock
From
$30.66
Connecticut Electric
30
240
NASWD115
NASWD115
In Stock
From
$20.98
Federal Pacific
-
-
NE231040R
NE231040R
In Stock
From
$409.50
Federal Pacific
-
-
NEF421040R
NEF421040R
In Stock
From
$105.48
Federal Pacific
-
-
NEF423050
NEF423050
In Stock
From
$489.74
Federal Pacific
-
-
3P20-UL
3P20-UL
In Stock
From
$255.27
Federal Pacific
20
480
3P25-240
3P25-240
In Stock
From
$193.43
Federal Pacific
25
480
NA40-UL
NA40-UL
In Stock
From
$17.83
Federal Pacific
-
-
NBH221020
NBH221020
In Stock
From
$9.72
Federal Pacific
20
240
NE233100NA
NE233100NA
In Stock
From
Get Price
American
100
240
4340
4340
In Stock
From
$9.20
Federal Pacific
-
-
LK-2542
LK-2542
In Stock
From
$54.90
Federal Pacific
-
-
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.