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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
RD316T35W
RD316T35W
In Stock
From
$8,745.43
Cutler Hammer
1600
600
RD320T35W
RD320T35W
In Stock
From
$10,450.42
Eaton
2000
600
RD325T33W
RD325T33W
In Stock
From
$7,653.43
Eaton
2500
600
RGC320033E
RGC320033E
In Stock
From
$6,372.52
Eaton
2000
600
RGH316036E
RGH316036E
In Stock
From
$15,488.70
Eaton
1600
600
RGH320036E
RGH320036E
In Stock
From
$21,840.00
Eaton
2000
600
ELFD3015L
ELFD3015L
In Stock
From
$1,455.24
Cutler Hammer
15
480
ELFD3020L
ELFD3020L
In Stock
From
$1,897.13
Westinghouse
20
480
ELFD3040L
ELFD3040L
Limited Stock
From
Get Price
Westinghouse
40
480
ELFD3050L
ELFD3050L
In Stock
From
$1,132.61
Eaton
50
480
ELFD3080L
ELFD3080L
In Stock
From
$1,372.22
Eaton
80
480
FD2050C05
FD2050C05
In Stock
From
$2,029.79
Eaton
50
600
FD4020
FD4020
In Stock
From
$323.39
Westinghouse
20
600
FD4025
FD4025
In Stock
From
$603.42
Westinghouse
25
600
FD4045
FD4045
In Stock
From
$555.34
Westinghouse
45
600
FD4050
FD4050
In Stock
From
$2,104.52
Eaton
50
600
HFD3200S
HFD3200S
In Stock
From
Get Price
Eaton
200
600
NGS308032EC
NGS308032EC
In Stock
From
$13,695.53
Eaton
-
-
NGS308035E
NGS308035E
In Stock
From
$13,695.53
Eaton
-
-
NGS308036E
NGS308036E
In Stock
From
$13,695.53
Eaton
-
-
NGS308036EC
NGS308036EC
In Stock
From
$5,575.88
Eaton
-
-
NGS312033EC
NGS312033EC
In Stock
From
$8,028.91
Eaton
-
-
NGS312035EC
NGS312035EC
In Stock
From
$6,559.58
Eaton
-
-
NGS312036EC
NGS312036EC
In Stock
From
$7,203.83
Eaton
-
-
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.