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
RFA2060
RFA2060
In Stock
From
$71.32
Westinghouse
60
600
RFA2060L
RFA2060L
In Stock
From
$71.32
Westinghouse
60
600
RFA2070
RFA2070
In Stock
From
$518.95
Westinghouse
70
600
RFA2070L
RFA2070L
In Stock
From
$649.39
Westinghouse
70
600
RFA2080
RFA2080
In Stock
From
$481.78
Westinghouse
80
600
RFA2080L
RFA2080L
In Stock
From
$545.81
Westinghouse
80
600
RFA2090
RFA2090
In Stock
From
$164.06
Westinghouse
90
600
RFA2090L
RFA2090L
In Stock
From
$164.06
Westinghouse
90
600
RFA2100
RFA2100
In Stock
From
$276.42
Westinghouse
100
600
RFA2100L
RFA2100L
In Stock
From
$276.42
Westinghouse
100
600
RFA2125
RFA2125
In Stock
From
$413.92
Westinghouse
125
600
RFA2125L
RFA2125L
In Stock
From
$759.60
Westinghouse
125
600
RFA2150
RFA2150
In Stock
From
$750.11
Westinghouse
150
600
RFA2150L
RFA2150L
In Stock
From
$755.35
Westinghouse
150
600
RFA3015L
RFA3015L
In Stock
From
$166.73
Westinghouse
15
600
RFA3020L
RFA3020L
In Stock
From
$283.60
Westinghouse
20
600
RFA3025L
RFA3025L
In Stock
From
Get Price
Westinghouse
25
600
RFA3035L
RFA3035L
In Stock
From
$394.15
Westinghouse
35
600
RFA3040L
RFA3040L
In Stock
From
$426.52
Westinghouse
40
600
RFA3050L
RFA3050L
In Stock
From
$284.41
Westinghouse
50
600
RFA3060L
RFA3060L
In Stock
From
Get Price
Westinghouse
60
600
RFA3070L
RFA3070L
In Stock
From
$404.96
Westinghouse
70
600
RFA3080L
RFA3080L
In Stock
From
$459.49
Westinghouse
80
600
RFA3090L
RFA3090L
In Stock
From
$540.04
Westinghouse
90
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.