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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
QOB135
QOB135
In Stock
From
$19.36
Square D
35
120
QOB145
QOB145
In Stock
From
$18.16
Square D
45
120
QOB170
QOB170
In Stock
From
$18.11
Square D
70
120
QOB235
QOB235
In Stock
From
$24.23
Schneider Electric
35
120
BDA160151
BDA160151
In Stock
From
$368.69
Square D
15
600
BDA160203
BDA160203
In Stock
From
$387.23
Square D
20
600
BDA160205
BDA160205
In Stock
From
$338.21
Schneider Electric
20
600
BDA160301
BDA160301
In Stock
From
$263.70
Square D
30
600
BDA160303
BDA160303
In Stock
From
$383.39
Square D
30
600
BDA160305
BDA160305
In Stock
From
$357.89
Schneider Electric
30
600
BDA160401
BDA160401
In Stock
From
$371.13
Square D
40
600
BDA160403
BDA160403
In Stock
From
$371.13
Square D
40
600
BDA160405
BDA160405
In Stock
From
$312.24
Schneider Electric
40
600
BDA160501
BDA160501
In Stock
From
$357.89
Square D
50
600
BDA160503
BDA160503
In Stock
From
$329.20
Square D
50
600
BDA160505
BDA160505
In Stock
From
$357.89
Schneider Electric
50
600
BDA160601
BDA160601
In Stock
From
$363.78
Square D
60
600
BDA160603
BDA160603
In Stock
From
$373.18
Square D
60
600
BDA160605
BDA160605
In Stock
From
$123.68
Schneider Electric
60
600
BDA160703
BDA160703
In Stock
From
$365.75
Square D
70
600
BDA160705
BDA160705
In Stock
From
$200.00
Schneider Electric
70
600
BDA160801
BDA160801
In Stock
From
$277.36
Schneider Electric
80
600
BDA160803
BDA160803
In Stock
From
$170.27
Schneider Electric
80
600
BDA160805
BDA160805
In Stock
From
$157.78
Schneider Electric
80
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.