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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
GD3090S1
GD3090S1
In Stock
From
$1,982.80
Cutler Hammer
90
480
GD3100
GD3100
In Stock
From
$277.41
Westinghouse
100
480
GD3100D
GD3100D
In Stock
From
$324.26
Westinghouse
100
480
GHB1015HID
GHB1015HID
In Stock
From
$165.69
Eaton
15
480
GHB1020HID
GHB1020HID
In Stock
From
$151.02
Eaton
20
480
GHB2020V
GHB2020V
In Stock
From
$425.02
Eaton
20
480
GHB3015V
GHB3015V
Limited Stock
From
Get Price
Eaton
15
480
GHB3020S2
GHB3020S2
In Stock
From
$764.99
Eaton
20
480
GHB3030I
GHB3030I
In Stock
From
$384.21
Eaton
30
480
GHBGFEP1015
GHBGFEP1015
In Stock
From
$484.79
Eaton
15
277
GHBGFEP1030
GHBGFEP1030
In Stock
From
$522.78
Eaton
30
277
GHC1020
GHC1020
In Stock
From
$75.76
Eaton
20
277
GHC1025
GHC1025
In Stock
From
$61.85
Westinghouse
25
277
GHC1030
GHC1030
In Stock
From
$78.77
Eaton
30
277
GHC1035
GHC1035
In Stock
From
$118.17
Westinghouse
35
277
GHC1040
GHC1040
In Stock
From
$278.22
Eaton
40
277
GHC1050
GHC1050
In Stock
From
$48.12
Westinghouse
50
277
GHC1070
GHC1070
In Stock
From
$303.21
Eaton
70
277
GHC2025
GHC2025
In Stock
From
$263.54
Cutler Hammer
25
480
GHC2030
GHC2030
In Stock
From
$275.27
Eaton
30
480
GHC2035
GHC2035
In Stock
From
$203.67
Eaton
35
480
GHC2040
GHC2040
In Stock
From
$240.38
Eaton
40
480
GHC2045
GHC2045
In Stock
From
$253.18
Westinghouse
45
480
GHC2050
GHC2050
In Stock
From
$195.70
Westinghouse
50
480
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.