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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
BR2100ST
BR2100ST
In Stock
From
$340.84
Westinghouse
100
240
BR210ST
BR210ST
In Stock
From
$54.73
Westinghouse
10
240
BR2125ST
BR2125ST
In Stock
From
$294.59
Westinghouse
125
240
BR215ST
BR215ST
In Stock
From
$121.06
Westinghouse
15
240
BR240R
BR240R
In Stock
From
$5.47
Westinghouse
40
240
BR245ST
BR245ST
In Stock
From
$86.06
Cutler Hammer
45
240
BR270H
BR270H
In Stock
From
$163.20
Westinghouse
70
240
BR280ST
BR280ST
In Stock
From
$239.20
Westinghouse
80
240
BR290H
BR290H
In Stock
From
$199.95
Westinghouse
90
240
BR290ST
BR290ST
In Stock
From
$217.05
Westinghouse
90
240
BRAF120C
BRAF120C
In Stock
From
$67.50
Westinghouse
20
120
E1010
E1010
In Stock
From
$40.24
Westinghouse
10
120
E1030L
E1030L
In Stock
From
$61.89
Westinghouse
30
120
E1035
E1035
In Stock
From
$6.61
Westinghouse
35
120
E1050
E1050
In Stock
From
$19.25
Cutler Hammer
50
120
E1070L
E1070L
In Stock
From
$69.51
Westinghouse
70
120
E1080L
E1080L
In Stock
From
$70.20
Cutler Hammer
80
120
E1090
E1090
In Stock
From
$67.76
Westinghouse
90
120
E1090L
E1090L
In Stock
From
$73.56
Westinghouse
90
120
E1100L
E1100L
In Stock
From
$70.76
Westinghouse
100
120
HFDDC3150D17
HFDDC3150D17
In Stock
From
$3,049.97
Eaton
150
600
HM2P250K5W
HM2P250K5W
In Stock
From
$159.70
Eaton
250
-
HQC3010
HQC3010
In Stock
From
$56.29
Cutler Hammer
10
240
HQC3020
HQC3020
In Stock
From
$214.00
Westinghouse
20
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.