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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
CAH2150X
CAH2150X
In Stock
From
$717.59
Cutler Hammer
150
240
CAH2150Y
CAH2150Y
In Stock
From
$717.59
Cutler Hammer
150
240
CAH2175
CAH2175
In Stock
From
$598.54
Cutler Hammer
175
240
CAH2175W
CAH2175W
In Stock
From
$598.54
Cutler Hammer
175
240
CAH2175X
CAH2175X
In Stock
From
$598.54
Cutler Hammer
175
240
CAH2175Y
CAH2175Y
In Stock
From
$598.54
Cutler Hammer
175
240
CAH2200Y
CAH2200Y
In Stock
From
$1,019.46
Cutler Hammer
200
240
CAH2225
CAH2225
In Stock
From
$1,198.29
Cutler Hammer
225
240
CAH2225W
CAH2225W
In Stock
From
$447.07
Cutler Hammer
225
240
CAH2225X
CAH2225X
In Stock
From
$1,083.90
Cutler Hammer
225
240
CAH2225Y
CAH2225Y
In Stock
From
$939.10
Cutler Hammer
225
240
CED63B015L
CED63B015L
In Stock
From
$628.96
Siemens
15
600
CED63B020
CED63B020
In Stock
From
$446.39
Siemens
20
600
CED63B020L
CED63B020L
In Stock
From
$793.21
Siemens
20
600
CED63B030L
CED63B030L
In Stock
From
$718.65
Siemens
30
600
CED63B040L
CED63B040L
In Stock
From
$910.04
Siemens
40
600
CED63B050L
CED63B050L
In Stock
From
$511.84
Siemens
50
600
CED63B110
CED63B110
In Stock
From
$1,103.40
Siemens
110
600
CED63B110L
CED63B110L
In Stock
From
$1,103.40
Siemens
110
600
CED63B125
CED63B125
In Stock
From
$1,232.32
Siemens
125
600
CED63B125L
CED63B125L
In Stock
From
$1,683.86
Siemens
125
600
CH215AF
CH215AF
In Stock
From
$251.78
Cutler Hammer
15
240
CH270ST
CH270ST
In Stock
From
$360.84
Cutler Hammer
70
240
CH340ST
CH340ST
In Stock
From
$262.66
Cutler Hammer
40
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.