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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
C115
C115
In Stock
From
$14.23
Challenger
15
120
C120
C120
In Stock
From
$5.84
Challenger
20
120
C130
C130
In Stock
From
$5.06
Challenger
30
120
C150
C150
In Stock
From
$26.70
Challenger
50
120
C215
C215
In Stock
From
$6.42
Challenger
15
240
C3100
C3100
In Stock
From
$112.66
Challenger
100
240
C315
C315
In Stock
From
$47.24
Challenger
15
240
C320
C320
In Stock
From
$47.78
Challenger
20
240
C340
C340
In Stock
From
$58.95
Challenger
40
240
C350
C350
In Stock
From
$44.12
Challenger
50
240
C360
C360
In Stock
From
$33.31
Challenger
60
240
CH2100
CH2100
In Stock
From
$57.31
Cutler Hammer
100
240
CH3030
CH3030
In Stock
From
$233.09
Challenger
30
480
CH3050
CH3050
In Stock
From
$66.67
Challenger
50
480
CH3060
CH3060
In Stock
From
$67.56
Challenger
60
480
CH3070
CH3070
In Stock
From
$50.00
Challenger
70
480
CH3090
CH3090
In Stock
From
$204.87
Eaton
90
480
A115LR
A115LR
In Stock
From
$54.88
Challenger
20
120
A215
A215
In Stock
From
$19.17
Challenger
15
240
BQ3D015
BQ3D015
In Stock
From
$33.07
Challenger
15
240
BQ3D020
BQ3D020
In Stock
From
$41.22
Challenger
20
240
BQ3D030
BQ3D030
In Stock
From
$36.38
Challenger
30
240
BQ3D040
BQ3D040
In Stock
From
$71.27
Challenger
40
240
C140
C140
In Stock
From
$6.42
Challenger
40
120
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.