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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
CE3070
CE3070
In Stock
From
$220.04
Cutler Hammer
70
480
CE3090
CE3090
In Stock
From
$45.20
Challenger
90
480
CE3100
CE3100
In Stock
From
$440.91
Challenger
100
480
CED3225
CED3225
In Stock
From
$451.82
Challenger
225
240
CED62B090L
CED62B090L
In Stock
From
$1,572.53
Siemens
90
600
CED63B040
CED63B040
In Stock
From
$606.76
Siemens
40
600
CED63B050
CED63B050
In Stock
From
$493.92
Siemens
50
600
CF250N
CF250N
In Stock
From
$371.52
Merlin Gerin
250
600
CF3020
CF3020
In Stock
From
$252.47
Challenger
20
600
CF3100
CF3100
In Stock
From
$300.30
Challenger
100
600
CF3125
CF3125
In Stock
From
$394.87
Challenger
125
600
CF3150
CF3150
In Stock
From
$128.00
Challenger
150
600
CFD62B200
CFD62B200
In Stock
From
$1,280.37
Siemens
200
600
CFS3050
CFS3050
In Stock
From
$29.09
Challenger
50
600
CFS3150
CFS3150
In Stock
From
$25.24
Challenger
150
600
CH115CAFPN
CH115CAFPN
In Stock
From
$79.82
Cutler Hammer
15
240
CH115GF
CH115GF
In Stock
From
$75.02
Cutler Hammer
15
120
CH115GFCS
CH115GFCS
In Stock
From
$133.82
Cutler Hammer
15
120
CH120AF
CH120AF
In Stock
From
$73.30
Cutler Hammer
20
120
CH120CAF
CH120CAF
In Stock
From
$55.40
Eaton
20
240
CH120CAFPN
CH120CAFPN
In Stock
From
$47.24
Eaton
20
240
CH120GF
CH120GF
In Stock
From
$55.48
Cutler Hammer
20
120
CH120GFPN
CH120GFPN
In Stock
From
$118.52
Eaton
20
240
CH120HID
CH120HID
In Stock
From
$26.98
Cutler Hammer
20
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.