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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
A250
A250
In Stock
From
$25.12
Thomas & Betts
50
240
B1E1C10
B1E1C10
In Stock
From
$13.30
Noark Electric
10
277
B1H3C10
B1H3C10
In Stock
From
$55.97
Noark Electric
10
480
B1N2C32
B1N2C32
In Stock
From
$44.74
Noark Electric
32
240
B2016RD
B2016RD
In Stock
From
$125.15
Eaton
-
600
BAB2050H
BAB2050H
In Stock
From
$153.19
Eaton
50
240
BAB3020
BAB3020
In Stock
From
$118.42
Eaton
20
240
BAB3030
BAB3030
In Stock
From
$79.63
Eaton
30
240
BAB3040
BAB3040
In Stock
From
$232.86
Eaton
40
240
BAB3050N
BAB3050N
In Stock
From
Get Price
Eaton
50
240
BAB3060N
BAB3060N
In Stock
From
$184.09
Eaton
60
240
BAB3100
BAB3100
In Stock
From
$218.18
Cutler Hammer
100
240
BAB3100HT
BAB3100HT
In Stock
From
$195.82
Eaton
100
240
BAB3100HV
BAB3100HV
In Stock
From
$297.41
Westinghouse
100
240
BAB3100N
BAB3100N
In Stock
From
$297.41
Westinghouse
100
240
BD2030
BD2030
In Stock
From
$15.99
Eaton
30
120
BD5030
BD5030
In Stock
From
$101.70
Eaton
30
120
BDA140205
BDA140205
In Stock
From
$397.67
Schneider Electric
20
480
BDA141101
BDA141101
In Stock
From
$174.00
Square D
110
480
BDA34015Y
BDA34015Y
In Stock
From
$847.67
Schneider Electric
15
480
BDA34100
BDA34100
In Stock
From
$166.67
Schneider Electric
100
480
BDL16030
BDL16030
In Stock
From
$141.61
Schneider Electric
30
600
BDL16040
BDL16040
In Stock
From
$438.14
Square D
40
600
BDL16045
BDL16045
In Stock
From
$154.81
Square D
45
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.