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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
QBF32100
QBF32100
In Stock
From
$366.80
Square D
100
240
QBF32110
QBF32110
In Stock
From
$312.63
Square D
110
240
QBF32125
QBF32125
In Stock
From
$439.97
Square D
125
240
QBF32150
QBF32150
In Stock
From
$662.65
Schneider Electric
150
240
QBF32175
QBF32175
In Stock
From
$236.04
Schneider Electric
175
240
QBF32200
QBF32200
In Stock
From
$653.61
Schneider Electric
200
240
QBF32225
QBF32225
In Stock
From
$394.33
Square D
225
240
QGF22100
QGF22100
In Stock
From
$227.98
Square D
100
240
QGF22125
QGF22125
In Stock
From
$230.64
Schneider Electric
125
240
QGF22150
QGF22150
In Stock
From
$233.20
Schneider Electric
150
240
QGF22175
QGF22175
In Stock
From
$858.16
Schneider Electric
175
240
QGF22200
QGF22200
In Stock
From
$287.78
Square D
200
240
QGF22225
QGF22225
In Stock
From
$233.83
Schneider Electric
225
240
RJA36120CU44ALV
RJA36120CU44ALV
In Stock
From
$7,679.07
Schneider Electric
1200
600
RJF46300U31A
RJF46300U31A
In Stock
From
$3,333.33
Schneider Electric
3000
600
24512
24512
In Stock
From
$31.77
Schneider Electric
-
-
43002
43002
In Stock
From
$903.77
Schneider Electric
-
-
60949
60949
In Stock
From
$112.32
Schneider Electric
-
-
A9F44110
A9F44110
In Stock
From
$126.25
Schneider Electric
-
-
A9F44210
A9F44210
Limited Stock
From
Get Price
Schneider Electric
-
-
C60N-C4
C60N-C4
Limited Stock
From
Get Price
Schneider Electric
-
-
GV3-M10
GV3-M10
In Stock
From
$143.50
Schneider Electric
-
-
HLL36035LV
HLL36035LV
In Stock
From
$928.67
Schneider Electric
-
-
JJA36250U44XENYH2YP
JJA36250U44XENYH2YP
In Stock
From
$3,795.38
Square D
250
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.