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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
F2030
F2030
In Stock
From
$138.99
Cutler Hammer
30
600
F2030L
F2030L
In Stock
From
Get Price
Cutler Hammer
30
600
F2040
F2040
In Stock
From
$5.24
Cutler Hammer
40
600
F2040L
F2040L
In Stock
From
$204.14
Westinghouse
40
600
F2050
F2050
In Stock
From
$23.83
Westinghouse
50
600
F2050L
F2050L
In Stock
From
$174.91
Cutler Hammer
50
600
F2070
F2070
In Stock
From
$62.33
Cutler Hammer
70
600
F2090L
F2090L
In Stock
From
$164.06
Westinghouse
90
600
F2100L
F2100L
In Stock
From
$334.22
Cutler Hammer
100
600
F2100N
F2100N
In Stock
From
$210.00
Westinghouse
100
600
F3010
F3010
In Stock
From
$114.52
Cutler Hammer
10
600
F3015
F3015
In Stock
From
$105.22
Cutler Hammer
15
600
F3015S
F3015S
In Stock
From
$5.39
Westinghouse
15
600
F3020
F3020
In Stock
From
$235.27
Cutler Hammer
20
600
F3020PF
F3020PF
In Stock
From
$283.60
Westinghouse
20
600
F3025
F3025
In Stock
From
$297.70
Westinghouse
25
600
F3070PF
F3070PF
In Stock
From
$350.88
Cutler Hammer
70
600
F3070S
F3070S
In Stock
From
$14.29
Cutler Hammer
70
600
F3100PF
F3100PF
In Stock
From
$494.10
Westinghouse
100
600
FA2015
FA2015
In Stock
From
$116.94
Westinghouse
15
600
FA2015P
FA2015P
In Stock
From
$811.27
Westinghouse
15
600
FA2040
FA2040
In Stock
From
$107.68
Cutler Hammer
40
600
FA3015L
FA3015L
In Stock
From
$166.73
Westinghouse
15
600
FA3015P
FA3015P
In Stock
From
$33.49
Westinghouse
15
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.