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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
QCF2030
QCF2030
In Stock
From
$70.55
Eaton
30
240
QCF2040
QCF2040
In Stock
From
$75.40
Eaton
40
240
QCGF2020
QCGF2020
In Stock
From
$218.55
Eaton
20
240
QCR1010
QCR1010
In Stock
From
$40.08
Eaton
10
120
QCR1030
QCR1030
In Stock
From
$29.88
Eaton
30
120
QCR2015
QCR2015
In Stock
From
$88.03
Eaton
15
240
QCR2020
QCR2020
In Stock
From
$66.69
Eaton
20
240
QCR2030
QCR2030
In Stock
From
$66.69
Eaton
30
240
QCR2050
QCR2050
In Stock
From
$72.93
Eaton
50
240
RD316T33W
RD316T33W
In Stock
From
$6,021.04
Eaton
1600
600
RD320T35W
RD320T35W
In Stock
From
$11,585.68
Eaton
2000
600
RD325T33W
RD325T33W
In Stock
From
$7,653.44
Eaton
2500
600
RDC316T33W
RDC316T33W
In Stock
From
$5,974.33
Eaton
1600
600
RDC316T36W
RDC316T36W
In Stock
From
$14,273.61
Cutler Hammer
1600
600
RDC320T33W
RDC320T33W
In Stock
From
$7,955.02
Cutler Hammer
2000
600
RDC325T36W
RDC325T36W
In Stock
From
$31,702.49
Cutler Hammer
2500
600
RGH320032E
RGH320032E
In Stock
From
$16,254.87
Eaton
2000
600
ELFD3015L
ELFD3015L
In Stock
From
$1,455.24
Cutler Hammer
15
480
ELFD3040L
ELFD3040L
Limited Stock
From
Get Price
Westinghouse
40
480
ELFD3050L
ELFD3050L
In Stock
From
$1,246.52
Eaton
50
480
ELFD3060L
ELFD3060L
In Stock
From
$1,486.82
Eaton
60
480
ELFD3080
ELFD3080
In Stock
From
$1,481.29
Westinghouse
80
480
ELFD3080L
ELFD3080L
In Stock
From
$1,372.22
Eaton
80
480
FD4020
FD4020
In Stock
From
$404.24
Westinghouse
20
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.