1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
CF3080
CF3080
In Stock
From
$149.40
Challenger
80
600
CFS3015L
CFS3015L
In Stock
From
$81.06
Challenger
15
600
CFS3030
CFS3030
In Stock
From
$10.00
Challenger
30
600
CFS3040
CFS3040
In Stock
From
$339.52
Challenger
40
600
CFS3070
CFS3070
In Stock
From
$98.82
Challenger
70
600
CFS3110
CFS3110
In Stock
From
$63.16
Challenger
110
600
CFS3125
CFS3125
In Stock
From
$60.31
Challenger
125
600
CFS3125L
CFS3125L
In Stock
From
$404.30
Challenger
125
600
CD2200
CD2200
Limited Stock
From
Get Price
Challenger
200
240
CD3225
CD3225
In Stock
From
$989.20
Challenger
225
240
CDK3400
CDK3400
In Stock
From
$1,623.26
Challenger
400
240
CE2040
CE2040
In Stock
From
$159.78
Challenger
40
480
CFH3100
CFH3100
In Stock
From
$321.18
Challenger
100
600
CJ3150
CJ3150
In Stock
From
$775.81
Challenger
150
600
CJ3175
CJ3175
In Stock
From
$596.78
Challenger
175
600
CJ3200
CJ3200
In Stock
From
$1,197.35
Challenger
200
600
CJ3250F
CJ3250F
In Stock
From
$93.36
Challenger
250
600
CK3200
CK3200
In Stock
From
$460.22
Challenger
200
600
CK3400
CK3400
In Stock
From
$525.52
Challenger
400
600
CK3400F
CK3400F
Limited Stock
From
Get Price
Challenger
400
600
CL3600
CL3600
In Stock
From
$333.33
Challenger
600
600
CL3600F
CL3600F
In Stock
From
$386.94
Challenger
600
600
A120L
A120L
In Stock
From
$7.52
Challenger
20
120
A120R
A120R
In Stock
From
$14.22
Challenger
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.