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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
C140
C140
In Stock
From
$6.42
Challenger
40
120
C160
C160
In Stock
From
$12.47
Schneider Electric
160
690
C250G
C250G
In Stock
From
$1,016.34
Schneider Electric
250
690
C330
C330
In Stock
From
$78.65
Challenger
30
240
C370
C370
In Stock
From
$71.99
Challenger
70
240
C380
C380
In Stock
From
$129.92
Challenger
80
240
C390
C390
In Stock
From
$27.12
Challenger
90
240
CA3150W
CA3150W
In Stock
From
$882.71
Cutler Hammer
150
240
CA3150X
CA3150X
In Stock
From
$209.57
Cutler Hammer
150
240
CA3150Y
CA3150Y
In Stock
From
$225.61
Cutler Hammer
150
240
CA3200W
CA3200W
In Stock
From
$1,514.88
Cutler Hammer
200
240
CA3200X
CA3200X
In Stock
From
$677.95
Cutler Hammer
200
240
CA3200Y
CA3200Y
In Stock
From
$1,514.88
Cutler Hammer
200
240
CA3225W
CA3225W
In Stock
From
$1,358.13
Eaton
225
240
CA3225X
CA3225X
In Stock
From
$800.38
Cutler Hammer
225
240
CA3225Y
CA3225Y
In Stock
From
$805.29
Eaton
225
240
CAH3125W
CAH3125W
In Stock
From
$1,729.50
Cutler Hammer
125
240
CAH3150W
CAH3150W
In Stock
From
$1,204.87
Cutler Hammer
150
240
CAH3225W
CAH3225W
In Stock
From
$1,069.36
Cutler Hammer
225
240
CC2125X
CC2125X
In Stock
From
$154.69
Cutler Hammer
125
240
CC2125Y
CC2125Y
In Stock
From
$360.89
Cutler Hammer
125
240
CC2150Y
CC2150Y
In Stock
From
$935.80
Cutler Hammer
150
240
CC2175X
CC2175X
In Stock
From
$572.69
Cutler Hammer
175
240
CC2175Y
CC2175Y
In Stock
From
$1,095.31
Cutler Hammer
175
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.