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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
GBH3025
GBH3025
In Stock
From
$656.79
Cutler Hammer
25
600
GBH3040
GBH3040
In Stock
From
$949.65
Eaton
40
600
GBH3045
GBH3045
In Stock
From
$798.61
Eaton
45
600
GC2050
GC2050
In Stock
From
$83.19
Cutler Hammer
50
240
GC2070
GC2070
In Stock
From
$42.43
Westinghouse
70
240
GC2080
GC2080
In Stock
From
$10.81
Westinghouse
80
240
GC3015
GC3015
In Stock
From
$114.41
Westinghouse
15
240
GC3030
GC3030
In Stock
From
$83.08
Cutler Hammer
30
240
GC3060
GC3060
In Stock
From
$92.09
Cutler Hammer
60
240
GC3070
GC3070
In Stock
From
$64.16
Westinghouse
70
240
GCH3020
GCH3020
In Stock
From
$189.90
Eaton
20
600
GCH3030
GCH3030
In Stock
From
$265.99
Eaton
30
600
GDB3015
GDB3015
In Stock
From
$92.84
Eaton
15
480
GDB3020
GDB3020
In Stock
From
$70.59
Eaton
20
480
GDB3030
GDB3030
In Stock
From
$452.93
Eaton
30
480
GDB3035
GDB3035
In Stock
From
$413.82
Eaton
35
480
GFEP225
GFEP225
In Stock
From
$315.27
Cutler Hammer
25
240
GMCP030K2C
GMCP030K2C
In Stock
From
$13.96
Eaton
30
-
HB1B020
HB1B020
In Stock
From
$41.77
Siemens
20
120
HB1B030
HB1B030
In Stock
From
$61.23
Siemens
30
120
HB2B020
HB2B020
In Stock
From
$116.53
Siemens
20
240
HB2B030
HB2B030
In Stock
From
$112.36
Siemens
30
240
HB2B040
HB2B040
In Stock
From
$460.81
Siemens
40
240
HB2B050
HB2B050
In Stock
From
$101.81
Siemens
50
240
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.