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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
FS240040A
FS240040A
In Stock
From
$153.40
Thomas & Betts
40
480
FS320080A
FS320080A
In Stock
From
$444.40
Thomas & Betts
80
240
FS320100A
FS320100A
In Stock
From
$259.96
Cutler Hammer
100
240
FS340020A
FS340020A
In Stock
From
$223.23
Thomas & Betts
20
480
FS340030A
FS340030A
In Stock
From
$286.29
Thomas & Betts
30
480
FS340040
FS340040
In Stock
From
$175.22
Cutler Hammer
40
480
FS340040A
FS340040A
In Stock
From
$223.42
Thomas & Betts
40
480
FS340050A
FS340050A
In Stock
From
$221.27
Cutler Hammer
50
480
FS340060A
FS340060A
In Stock
From
$437.66
Thomas & Betts
60
480
FS340070A
FS340070A
In Stock
From
$388.65
Cutler Hammer
70
480
FS340090A
FS340090A
In Stock
From
$390.04
Thomas & Betts
90
480
FS340100A
FS340100A
In Stock
From
$419.20
Thomas & Betts
100
480
FS340150B
FS340150B
In Stock
From
$763.98
Thomas & Betts
150
480
FS360015A
FS360015A
In Stock
From
$166.54
Thomas & Betts
15
600
FS360125A
FS360125A
In Stock
From
$458.50
Thomas & Betts
125
600
FYB14020C
FYB14020C
In Stock
From
$48.68
Square D
20
277
G101C16
G101C16
Limited Stock
From
Get Price
General Electric
16
415
G102C25
G102C25
Limited Stock
From
Get Price
General Electric
25
415
G61C04
G61C04
In Stock
From
$33.76
General Electric
4
415
G61C06
G61C06
In Stock
From
$36.36
General Electric
6
415
G61C10
G61C10
In Stock
From
$142.32
General Electric
10
415
G61C20
G61C20
In Stock
From
$26.89
General Electric
20
415
G61C40
G61C40
In Stock
From
$37.50
General Electric
40
415
GB2-CB09
GB2-CB09
In Stock
From
$61.60
Schneider Electric
4
277
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.