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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
BAB3020H
BAB3020H
In Stock
From
$133.72
Eaton
20
240
BAB3025H
BAB3025H
In Stock
From
$181.47
Eaton
25
240
BAB3030HS
BAB3030HS
In Stock
From
$194.48
Eaton
30
240
BAB3040H
BAB3040H
In Stock
From
$50.95
Eaton
40
240
BAB3040HT
BAB3040HT
In Stock
From
$285.71
Eaton
40
240
BAB3080H
BAB3080H
In Stock
From
$248.76
Eaton
80
240
BAB3090H
BAB3090H
In Stock
From
$183.18
Eaton
90
240
BD3030
BD3030
In Stock
From
$23.00
Eaton
30
120
BDA260301
BDA260301
In Stock
From
$469.49
Square D
30
600
BDA260401
BDA260401
In Stock
From
$628.49
Schneider Electric
40
600
BJA36015
BJA36015
In Stock
From
$657.38
Schneider Electric
15
600
BJA36020
BJA36020
In Stock
From
$823.93
Schneider Electric
20
600
BJA36025
BJA36025
In Stock
From
$785.20
Schneider Electric
25
600
BJA36030
BJA36030
In Stock
From
$738.81
Schneider Electric
30
600
BJA36040
BJA36040
In Stock
From
$997.49
Schneider Electric
40
600
BJA36045
BJA36045
In Stock
From
$1,517.04
Schneider Electric
45
600
BJA36050
BJA36050
In Stock
From
$670.46
Schneider Electric
50
600
BJA36060
BJA36060
In Stock
From
$1,168.55
Schneider Electric
60
600
BJA36070
BJA36070
In Stock
From
$756.59
Schneider Electric
70
600
BJA36080
BJA36080
In Stock
From
$1,126.31
Schneider Electric
80
600
BJA36090
BJA36090
In Stock
From
$804.96
Schneider Electric
90
600
BQ1B015
BQ1B015
In Stock
From
$8.40
Siemens
15
120
BQ1B020
BQ1B020
In Stock
From
$88.17
Siemens
20
120
BQ2302120
BQ2302120
In Stock
From
$82.54
Eaton
30
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.