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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
BAB2060H
BAB2060H
In Stock
From
$83.81
Eaton
60
240
BQ220220
BQ220220
In Stock
From
$72.48
Eaton
20
240
BQ240240
BQ240240
In Stock
From
$77.55
Eaton
40
240
BQC2202115
BQC2202115
In Stock
From
$54.51
Eaton
20
240
BRLAFGF115QN
BRLAFGF115QN
In Stock
From
$69.39
Eaton
15
120
CH115AF
CH115AF
In Stock
From
$54.70
Eaton
15
120
CHFAFGF115
CHFAFGF115
In Stock
From
$42.29
Eaton
15
120
CHFAFGF115PN
CHFAFGF115PN
In Stock
From
$52.17
Eaton
15
120
CHFCAF120PN
CHFCAF120PN
In Stock
From
$53.95
Eaton
20
120
CHKD3400T52W
CHKD3400T52W
In Stock
From
$15,355.82
Westinghouse
400
600
CHKD3400T52WPN
CHKD3400T52WPN
In Stock
From
$2,545.90
Eaton
400
600
CMDL3800F
CMDL3800F
In Stock
From
$3,186.30
Westinghouse
800
600
DK2250
DK2250
In Stock
From
$2,160.31
Westinghouse
250
240
DK2350W
DK2350W
In Stock
From
$1,279.73
Cutler Hammer
350
240
DK2400
DK2400
In Stock
From
$656.55
Westinghouse
400
240
DK3400K
DK3400K
In Stock
From
$865.15
Eaton
400
240
ED2125
ED2125
In Stock
From
$352.17
Eaton
125
240
ED2150
ED2150
In Stock
From
$352.17
Eaton
150
240
ED2200
ED2200
In Stock
From
$350.61
Eaton
200
240
ED2225
ED2225
In Stock
From
$310.25
Eaton
225
240
ED3100
ED3100
In Stock
From
$268.20
Eaton
100
240
ED3125BP10
ED3125BP10
In Stock
From
$764.99
Eaton
125
240
ED3150
ED3150
In Stock
From
$741.15
Eaton
150
240
ED3175
ED3175
In Stock
From
$544.89
Eaton
175
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.