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
HFA2090
HFA2090
In Stock
From
$240.17
Westinghouse
90
600
HFA2090L
HFA2090L
In Stock
From
$746.59
Westinghouse
90
600
HFA2100
HFA2100
In Stock
From
$14.48
Cutler Hammer
100
600
HFA2100L
HFA2100L
In Stock
From
$136.48
Westinghouse
100
600
HFA2110
HFA2110
In Stock
From
$699.85
Westinghouse
110
600
HFA2110L
HFA2110L
In Stock
From
$738.28
Westinghouse
110
600
HFA2125
HFA2125
In Stock
From
$744.13
Westinghouse
125
600
HFA2125L
HFA2125L
In Stock
From
$705.46
Westinghouse
125
600
HFA2150L
HFA2150L
In Stock
From
$704.26
Westinghouse
150
600
HFA3015
HFA3015
In Stock
From
$468.47
Westinghouse
15
600
HFA3015L
HFA3015L
In Stock
From
$562.16
Westinghouse
15
600
HFA3020L
HFA3020L
In Stock
From
$397.27
Cutler Hammer
20
600
HFA3025
HFA3025
In Stock
From
$184.14
Westinghouse
25
600
HFA3025L
HFA3025L
In Stock
From
$522.78
Westinghouse
25
600
HFA3030
HFA3030
In Stock
From
$422.54
Westinghouse
30
600
HFA3030L
HFA3030L
In Stock
From
$507.05
Westinghouse
30
600
HFA3035
HFA3035
In Stock
From
$400.70
Cutler Hammer
35
600
HFA3040L
HFA3040L
In Stock
From
$538.22
Westinghouse
40
600
HFA3050
HFA3050
In Stock
From
$629.24
Westinghouse
50
600
HFA3050L
HFA3050L
In Stock
From
$590.09
Westinghouse
50
600
HFA3070
HFA3070
In Stock
From
$755.28
Cutler Hammer
70
600
HFA3070L
HFA3070L
In Stock
From
$1,044.47
Cutler Hammer
70
600
HFA3090
HFA3090
In Stock
From
$427.17
Westinghouse
90
600
HFA3100L
HFA3100L
In Stock
From
$144.68
Westinghouse
100
600
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.