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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
BRN120GFC
BRN120GFC
In Stock
From
$246.90
Eaton
25
120
BRN125GF
BRN125GF
In Stock
From
$111.43
Eaton
25
120
BRN130GF
BRN130GF
In Stock
From
$106.42
Eaton
30
120
BRN130GFC
BRN130GFC
In Stock
From
$286.30
Eaton
30
120
CHF135
CHF135
In Stock
From
$23.16
Eaton
35
240
CHFN120GF
CHFN120GF
In Stock
From
$80.32
Eaton
20
120
CHFN130GF
CHFN130GF
In Stock
From
$127.31
Eaton
30
120
CHFN250GF
CHFN250GF
In Stock
From
$215.29
Eaton
50
120
CHT1515
CHT1515
In Stock
From
$47.92
Cutler Hammer
15
120
CSR2200N
CSR2200N
In Stock
From
$149.72
Eaton
200
240
EGH3040FFB
EGH3040FFB
In Stock
From
$1,026.29
Eaton
40
600
GFTCB220
GFTCB220
In Stock
From
$152.37
Eaton
20
240
GFTCB230
GFTCB230
In Stock
From
$153.13
Eaton
30
240
HFK3B250
HFK3B250
In Stock
From
$16,490.27
Siemens
250
600
HOM120
HOM120
In Stock
From
$19.99
Square D
20
120
HOM120CAFIC
HOM120CAFIC
In Stock
From
$58.51
Square D
20
120
HOM120DF
HOM120DF
In Stock
From
$61.30
Square D
20
120
HOM120GFI
HOM120GFI
In Stock
From
$87.44
Square D
20
120
HOM120PDF
HOM120PDF
In Stock
From
$55.06
Schneider Electric
20
120
LGB3B025B
LGB3B025B
In Stock
From
$389.18
Siemens
25
600
LGB3B035B
LGB3B035B
In Stock
From
$541.86
Siemens
35
600
LGB3B040B
LGB3B040B
In Stock
From
$399.32
Siemens
40
600
LGB3B050B
LGB3B050B
In Stock
From
$402.64
Siemens
50
600
LGB3B060B
LGB3B060B
In Stock
From
$374.47
Siemens
60
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.