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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
HOMT215220
HOMT215220
In Stock
From
$126.20
Square D
20
240
HOMT215230
HOMT215230
In Stock
From
$107.64
Schneider Electric
30
240
HOMT220240
HOMT220240
In Stock
From
$129.99
Square D
40
240
HOMT230240
HOMT230240
In Stock
From
$96.90
Schneider Electric
40
240
HRA36100U33X
HRA36100U33X
In Stock
From
$3,684.81
Square D
100
600
NSC100B4100N
NSC100B4100N
In Stock
From
$444.87
Schneider Electric
100
690
NSC630K3500K
NSC630K3500K
In Stock
From
$1,145.91
Schneider Electric
500
690
OSMC32N1C3
OSMC32N1C3
In Stock
From
$13.67
Schneider Electric
3
440
OSMC65H3C63
OSMC65H3C63
In Stock
From
$37.74
Schneider Electric
63
480
QO220GFIC
QO220GFIC
In Stock
From
$196.82
Schneider Electric
-
-
QOU230H
QOU230H
In Stock
From
$83.32
Schneider Electric
-
-
SFAL2032
SFAL2032
In Stock
From
$528.51
Schneider Electric
32
415
BDA34050
BDA34050
In Stock
From
Get Price
Schneider Electric
50
480
BJA140201
BJA140201
In Stock
From
Get Price
Square D
20
480
FA341001121
FA341001121
In Stock
From
$152.78
Square D
-
-
FAB24015AB
FAB24015AB
In Stock
From
$423.68
Square D
15
480
FCB34040
FCB34040
In Stock
From
$466.47
Square D
40
480
FCJ340201352
FCJ340201352
In Stock
From
$182.78
Schneider Electric
20
480
FCJ340301352
FCJ340301352
In Stock
From
$156.62
Schneider Electric
30
480
FCL240401202
FCL240401202
In Stock
From
$184.49
Square D
40
480
GV2ME06AP
GV2ME06AP
In Stock
From
$45.25
Schneider Electric
-
-
GV2ME073
GV2ME073
Limited Stock
From
Get Price
Schneider Electric
-
-
GV2ME083
GV2ME083
In Stock
From
$212.34
Schneider Electric
-
-
GV2ME226
GV2ME226
Limited Stock
From
Get Price
Schneider Electric
-
-
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.