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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
FA3015S
FA3015S
In Stock
From
$164.40
Cutler Hammer
15
600
FA3020L
FA3020L
In Stock
From
$391.57
Cutler Hammer
20
600
FA3020P
FA3020P
In Stock
From
$125.57
Cutler Hammer
20
600
FA3020PF
FA3020PF
In Stock
From
$283.60
Westinghouse
20
600
FA3025
FA3025
In Stock
From
$167.92
Cutler Hammer
25
600
FA3030L
FA3030L
In Stock
From
$364.88
Westinghouse
30
600
FA3030P
FA3030P
In Stock
From
Get Price
Westinghouse
30
600
FA3035
FA3035
In Stock
From
$101.86
Westinghouse
35
600
FA3040L
FA3040L
In Stock
From
$576.96
Westinghouse
40
600
FA3040P
FA3040P
In Stock
From
$576.96
Westinghouse
40
600
FA3050L
FA3050L
In Stock
From
$284.41
Westinghouse
50
600
FA3050P
FA3050P
In Stock
From
$284.41
Westinghouse
50
600
FA3070L
FA3070L
In Stock
From
$404.96
Westinghouse
70
600
FA3070P
FA3070P
In Stock
From
$243.33
Westinghouse
70
600
FA3070PF
FA3070PF
In Stock
From
$380.16
Cutler Hammer
70
600
FA3080L
FA3080L
In Stock
From
$459.49
Westinghouse
80
600
FA3080M
FA3080M
In Stock
From
$486.00
Westinghouse
10
600
FA3090L
FA3090L
In Stock
From
$672.78
Cutler Hammer
90
600
FA3090P
FA3090P
In Stock
From
$66.67
Westinghouse
90
600
FA3090PF
FA3090PF
In Stock
From
$540.04
Westinghouse
90
600
FA3100L
FA3100L
In Stock
From
$494.10
Westinghouse
100
600
FA3100P
FA3100P
In Stock
From
$576.45
Westinghouse
100
600
FA3110L
FA3110L
In Stock
From
$735.26
Westinghouse
110
600
FA3125L
FA3125L
In Stock
From
$910.69
Westinghouse
125
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.