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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
XKL632300
XKL632300
In Stock
From
$1,620.03
Federal Pacific
300
600
XKL632350
XKL632350
In Stock
From
$1,520.88
Federal Pacific
350
600
XKL632400
XKL632400
In Stock
From
$1,901.28
Federal Pacific
400
600
NEF213080
NEF213080
In Stock
From
Get Price
Federal Pacific
80
277
NBH221040
NBH221040
In Stock
From
$0.24
Federal Pacific
40
240
NE111070
NE111070
In Stock
From
$55.20
American
70
120
NE111080
NE111080
In Stock
From
$55.52
American
80
120
NE111090
NE111090
In Stock
From
$55.38
American
90
120
NE111100
NE111100
In Stock
From
$56.21
Federal Pacific
100
120
NE221025
NE221025
In Stock
From
$420.00
Federal Pacific
25
240
NE221050
NE221050
In Stock
From
$201.91
American
50
240
NE221060
NE221060
In Stock
From
$215.87
Federal Pacific
60
240
NE221070
NE221070
In Stock
From
$252.49
Federal Pacific
70
240
NE221080
NE221080
Limited Stock
From
Get Price
American
80
240
NE221100
NE221100
In Stock
From
$322.31
American
100
240
2150
2150
In Stock
From
$7.62
Federal Pacific
-
-
LR12188
LR12188
In Stock
From
$64.12
Federal Pacific
-
-
NEG34100T
NEG34100T
In Stock
From
$290.11
Federal Pacific
-
-
NES36100TM
NES36100TM
In Stock
From
$117.89
Federal Pacific
-
-
NB50
NB50
In Stock
From
$66.18
FPE
50
120
25
25
In Stock
From
$0.97
Federal Pacific
25
120
HEF621015
HEF621015
In Stock
From
Get Price
Federal Pacific
15
600
NA280-FLAT-TOP
NA280-FLAT-TOP
In Stock
From
$224.80
Federal Pacific
80
240
NA290-FLAT-TOP
NA290-FLAT-TOP
In Stock
From
$353.82
Federal Pacific
90
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.