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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
QOH240
QOH240
In Stock
From
$128.65
Square D
40
240
QOH260
QOH260
In Stock
From
$159.88
Square D
60
240
QOM100VH
QOM100VH
In Stock
From
$225.21
Square D
100
240
QOM110VH
QOM110VH
In Stock
From
$333.70
Square D
110
240
QOM125VH
QOM125VH
In Stock
From
$197.01
Square D
125
240
QOM2100VH
QOM2100VH
In Stock
From
$299.47
Square D
100
240
QOM2150MVH
QOM2150MVH
In Stock
From
$1,075.97
Square D
150
240
QOM2150VH
QOM2150VH
In Stock
From
$272.51
Square D
150
240
QOM2175VH
QOM2175VH
In Stock
From
$177.99
Square D
175
240
QOM2200VH
QOM2200VH
In Stock
From
$272.14
Square D
200
240
QOM2200VHL
QOM2200VHL
In Stock
From
$153.08
Square D
200
240
QOM2225VH
QOM2225VH
In Stock
From
$179.27
Square D
225
240
QOM50VH
QOM50VH
In Stock
From
$141.92
Square D
50
240
QOM60VH
QOM60VH
In Stock
From
$118.06
Square D
60
240
QOM80VH
QOM80VH
In Stock
From
$145.43
Square D
80
240
QOU115
QOU115
In Stock
From
$11.38
Square D
15
120
QOU140
QOU140
In Stock
From
$17.72
Square D
40
120
QOU145
QOU145
In Stock
From
$24.10
Square D
45
120
QOU210
QOU210
In Stock
From
$60.09
Square D
10
240
QOU220
QOU220
In Stock
From
$35.37
Square D
20
240
QOU235
QOU235
In Stock
From
$31.40
Square D
35
240
QOU245
QOU245
In Stock
From
$43.92
Square D
45
240
QOU250
QOU250
In Stock
From
$33.86
Square D
50
240
QOU260
QOU260
In Stock
From
$40.88
Square D
60
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.