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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
CV2150XMM
CV2150XMM
In Stock
From
$781.93
Eaton
150
240
CVS2125XMM
CVS2125XMM
In Stock
From
$450.81
Eaton
125
240
DNBA1515
DNBA1515
In Stock
From
$50.19
Eaton
15
240
DNPL151515
DNPL151515
In Stock
From
$73.43
Eaton
15
240
DNPL154015
DNPL154015
In Stock
From
$39.52
Eaton
40
240
DNPL215220
DNPL215220
In Stock
From
$166.44
Eaton
20
240
DNPL215240
DNPL215240
In Stock
From
$55.94
Eaton
40
240
E2K3225DWU66
E2K3225DWU66
In Stock
From
$5,385.21
Eaton
225
600
E2MEM38002W
E2MEM38002W
In Stock
From
$5,906.90
Cutler Hammer
800
1000
EC3040
EC3040
In Stock
From
$12.29
Cutler Hammer
40
240
ED3110
ED3110
In Stock
From
$494.72
Cutler Hammer
110
240
EDB3100BP10
EDB3100BP10
In Stock
From
$577.01
Westinghouse
100
240
EDB3125BP10
EDB3125BP10
In Stock
From
$425.98
Eaton
125
240
EDS3200BP10
EDS3200BP10
In Stock
From
$538.84
Eaton
200
240
EGB2125FFB
EGB2125FFB
In Stock
From
$726.73
Eaton
125
480
EGB7060FFG
EGB7060FFG
In Stock
From
$2,193.81
Eaton
60
-
EGE2015FFG
EGE2015FFG
In Stock
From
$672.66
Eaton
15
600
EGE2020FFG
EGE2020FFG
In Stock
From
$363.59
Eaton
20
600
EGE2025FFG
EGE2025FFG
In Stock
From
$360.14
Eaton
25
600
EGE2045FFG
EGE2045FFG
In Stock
From
$207.57
Eaton
45
600
EGE2070FFG
EGE2070FFG
In Stock
From
$934.25
Eaton
70
600
EGS1035FFB
EGS1035FFB
In Stock
From
$306.04
Eaton
35
240
EGS2030FFG
EGS2030FFG
In Stock
From
$316.17
Eaton
30
600
EGS2050FFG
EGS2050FFG
In Stock
From
$889.58
Eaton
50
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.