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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
BQC220230
BQC220230
In Stock
From
$25.86
Eaton
30
240
BQC230250
BQC230250
In Stock
From
$118.39
Eaton
50
240
BR115AF
BR115AF
In Stock
From
$55.18
Eaton
15
120
BR120AF
BR120AF
In Stock
From
$19.46
Cutler Hammer
20
120
BR120R
BR120R
In Stock
From
$6.72
Westinghouse
20
240
BR135
BR135
In Stock
From
$11.41
Westinghouse
35
120
BR3100ST
BR3100ST
In Stock
From
$944.22
Cutler Hammer
100
240
BR320ST
BR320ST
In Stock
From
$157.93
Westinghouse
20
240
BR330ST
BR330ST
In Stock
From
$208.00
Westinghouse
30
240
BR360ST
BR360ST
In Stock
From
$209.27
Westinghouse
60
240
BR390
BR390
In Stock
From
$76.91
Bryant
90
240
BR390ST
BR390ST
In Stock
From
$556.11
Cutler Hammer
90
240
BR430
BR430
In Stock
From
$107.69
Eaton
30
240
BRAFGF115
BRAFGF115
In Stock
From
$25.33
Eaton
15
120
BRAFGF115QN
BRAFGF115QN
In Stock
From
$33.53
Eaton
15
120
BRAFGF120
BRAFGF120
In Stock
From
$63.28
Eaton
20
120
BRCAF115
BRCAF115
In Stock
From
$32.06
Eaton
15
120
BRCAF120
BRCAF120
In Stock
From
$63.28
Eaton
20
120
BRCAF120CS
BRCAF120CS
In Stock
From
$70.73
Eaton
20
120
BRCAF120QN
BRCAF120QN
In Stock
From
$26.98
Cutler Hammer
20
120
BRDC230240
BRDC230240
Limited Stock
From
Get Price
Cutler Hammer
40
240
BRH120
BRH120
In Stock
From
Get Price
Eaton
20
240
BRH130
BRH130
In Stock
From
$31.13
Westinghouse
30
240
BRH2125
BRH2125
In Stock
From
$238.91
Eaton
125
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.