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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
QOU3100
QOU3100
In Stock
From
$147.74
Square D
100
240
QOU335
QOU335
In Stock
From
$165.15
Square D
35
240
QOU360
QOU360
In Stock
From
$113.39
Square D
60
240
BDA260201
BDA260201
In Stock
From
$622.34
Schneider Electric
20
600
BDA260501
BDA260501
In Stock
From
$499.74
Schneider Electric
50
600
BDA260601
BDA260601
In Stock
From
$603.20
Schneider Electric
60
600
BDA260701
BDA260701
In Stock
From
$749.61
Square D
70
600
BDA260801
BDA260801
In Stock
From
$808.83
Schneider Electric
80
600
BDA260901
BDA260901
In Stock
From
$675.10
Schneider Electric
90
600
HDL26025
HDL26025
In Stock
From
$271.44
Schneider Electric
25
600
HDL26035
HDL26035
In Stock
From
$727.07
Schneider Electric
35
600
HDL26045
HDL26045
In Stock
From
$456.63
Schneider Electric
45
600
HDL26080
HDL26080
In Stock
From
$742.85
Square D
80
600
HDL26090
HDL26090
In Stock
From
$535.28
Square D
90
600
HDL26125
HDL26125
In Stock
From
$994.74
Square D
125
600
HDL26150
HDL26150
In Stock
From
$636.64
Square D
150
600
HDL36020
HDL36020
In Stock
From
$503.12
Square D
20
600
HDL36035
HDL36035
In Stock
From
$473.33
Square D
35
600
HDL36040
HDL36040
In Stock
From
$513.51
Schneider Electric
40
600
HDL36045
HDL36045
In Stock
From
$476.27
Square D
45
600
HDL36080
HDL36080
In Stock
From
$674.34
Schneider Electric
80
600
KA36070
KA36070
In Stock
From
$2,202.64
Square D
70
600
KA36080
KA36080
In Stock
From
$1,631.41
Square D
80
600
KA36100
KA36100
In Stock
From
$758.30
Square D
100
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.