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  1. Home / 
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  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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Westinghouse

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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.
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Most Popular
Part Number
PRICE
Manufacturer
Amperage
Voltage
FDC4200L
FDC4200L
In Stock
From
$1,003.79
Eaton
200
600
FDC4225
FDC4225
In Stock
From
$2,505.74
Westinghouse
225
600
FDC4225L
FDC4225L
In Stock
From
$1,584.17
Eaton
225
600
FG3045S02
FG3045S02
In Stock
From
$524.69
Eaton
45
600
FG3100
FG3100
In Stock
From
$1,108.56
Eaton
100
600
FW3020JL
FW3020JL
In Stock
From
$1,056.95
Cutler Hammer
20
690
GB2015
GB2015
In Stock
From
$11.37
Westinghouse
15
240
GB2025
GB2025
In Stock
From
$66.50
Westinghouse
25
240
GB2100
GB2100
In Stock
From
$33.86
Eaton
100
240
GC1015
GC1015
In Stock
From
$35.35
Eaton
15
120
GC1020
GC1020
In Stock
From
$4.78
Eaton
20
120
GC2050
GC2050
In Stock
From
$83.19
Cutler Hammer
50
240
GC2070
GC2070
In Stock
From
$42.65
Westinghouse
70
240
GC2080
GC2080
In Stock
From
$13.51
Westinghouse
80
240
GC3015
GC3015
In Stock
From
$115.02
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
$194.00
Eaton
20
600
GCH3030
GCH3030
In Stock
From
$265.99
Eaton
30
600
GDB3015
GDB3015
In Stock
From
$103.16
Eaton
15
480
GDB3030
GDB3030
In Stock
From
$392.69
Eaton
30
480
GDB3035
GDB3035
In Stock
From
$413.82
Eaton
35
480
GMCP030K2C
GMCP030K2C
In Stock
From
$11.30
Eaton
30
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Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.

20,635 Results

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Westinghouse

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Molded Case Circuit Breaker

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