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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
QO230EPD
QO230EPD
In Stock
From
$258.34
Square D
30
240
QO235
QO235
In Stock
From
$20.26
Square D
35
240
QO250
QO250
In Stock
From
$128.83
Square D
50
240
QO250EPD
QO250EPD
In Stock
From
$194.70
Square D
50
240
QO260
QO260
In Stock
From
$34.80
Square D
60
240
QO280
QO280
In Stock
From
$67.39
Square D
80
240
QO3100
QO3100
In Stock
From
$94.63
Square D
100
240
EDB24025SA
EDB24025SA
In Stock
From
$929.89
Square D
25
480
EDB24045SA
EDB24045SA
In Stock
From
$230.26
Schneider Electric
45
480
EDB24070
EDB24070
In Stock
From
$328.51
Schneider Electric
70
480
EDB24090SA
EDB24090SA
In Stock
From
$245.16
Schneider Electric
90
480
EJB34070
EJB34070
In Stock
From
$635.83
Schneider Electric
70
480
HJA36035
HJA36035
In Stock
From
$749.55
Schneider Electric
35
600
LH36175
LH36175
In Stock
From
$1,396.45
Square D
175
600
LJM36250U31X
LJM36250U31X
In Stock
From
$460.98
Square D
250
600
HOM120AFI
HOM120AFI
In Stock
From
$22.30
Square D
20
120
HOM120EPD
HOM120EPD
In Stock
From
$163.49
Square D
20
120
QBA220702
QBA220702
In Stock
From
$518.35
Square D
70
240
QBA220902
QBA220902
In Stock
From
$302.40
Square D
90
240
QBA222002
QBA222002
In Stock
From
$392.19
Square D
200
240
QOB225
QOB225
In Stock
From
$42.29
Square D
25
120
QOB280
QOB280
In Stock
From
$53.83
Square D
80
120
QOB290
QOB290
In Stock
From
$138.72
Square D
90
120
BDL36050LU
BDL36050LU
In Stock
From
$534.44
Schneider Electric
50
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.