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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
BR125
BR125
In Stock
From
$11.12
Eaton
25
120
BR140
BR140
In Stock
From
$7.84
Eaton
40
120
BR160
BR160
In Stock
From
$8.04
Eaton
60
120
BR2125
BR2125
In Stock
From
$73.31
Eaton
125
240
BR225
BR225
In Stock
From
$22.52
Eaton
25
240
BR260
BR260
In Stock
From
$10.22
Eaton
60
240
BR3100
BR3100
In Stock
From
$109.88
Eaton
100
240
BR320
BR320
In Stock
From
$60.11
Eaton
20
240
BR330
BR330
In Stock
From
$65.34
Eaton
30
240
BR350
BR350
In Stock
From
$64.35
Eaton
50
240
BR110
BR110
In Stock
From
$215.83
Eaton
10
120
BR145
BR145
In Stock
From
$10.85
Eaton
45
120
BR290
BR290
In Stock
From
$40.66
Eaton
90
240
BRH250
BRH250
In Stock
From
$63.49
Eaton
50
240
BR115
BR115
In Stock
From
$6.39
Eaton
15
120
BR230
BR230
In Stock
From
$12.33
Eaton
30
240
BR250
BR250
In Stock
From
$19.53
Eaton
50
240
BJ2125
BJ2125
In Stock
From
$304.76
Westinghouse
125
240
BJ2150
BJ2150
In Stock
From
$254.22
Westinghouse
150
240
BR1520
BR1520
In Stock
From
$11.63
Eaton
20
120
BR345
BR345
In Stock
From
$84.22
Cutler Hammer
45
240
BRP115GF
BRP115GF
In Stock
From
$54.46
Westinghouse
15
120
BR210
BR210
In Stock
From
$22.65
Eaton
10
240
BR2110
BR2110
In Stock
From
$121.00
Eaton
110
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.