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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
SEH2C090
SEH2C090
In Stock
From
$152.06
Sylvania
90
480
SEH2C100
SEH2C100
In Stock
From
$116.91
Sylvania
100
480
SEH2C125
SEH2C125
In Stock
From
$260.35
Sylvania
125
480
SEH2C150
SEH2C150
In Stock
From
$260.47
Challenger
150
480
SEH3C015
SEH3C015
In Stock
From
$422.80
Sylvania
15
480
SEH3C020
SEH3C020
In Stock
From
$65.36
Sylvania
20
480
SEH3C030
SEH3C030
In Stock
From
$51.42
Challenger
30
480
SEH3C040
SEH3C040
In Stock
From
$71.18
Sylvania
40
480
SEH3C050
SEH3C050
In Stock
From
$59.98
Sylvania
50
480
SEH3C100
SEH3C100
In Stock
From
$175.81
Sylvania
100
480
QFL2150
QFL2150
In Stock
From
$546.29
Zinsco
150
240
QFL3200
QFL3200
In Stock
From
$1,046.55
Sylvania
200
240
SKM3C800
SKM3C800
In Stock
From
$756.45
Challenger
800
600
SKM3F1200
SKM3F1200
In Stock
From
$1,809.67
Challenger
1200
600
QFB200-2
QFB200-2
In Stock
From
$347.37
Challenger
200
240
QFP125
QFP125
In Stock
From
$730.31
Zinsco
125
240
QFP125-2P
QFP125-2P
In Stock
From
$60.35
Challenger
125
240
QFP175-3
QFP175-3
In Stock
From
$712.44
Zinsco
175
240
QFP200-2P
QFP200-2P
In Stock
From
$211.47
Sylvania
200
240
QFP2125K
QFP2125K
In Stock
From
$174.77
Zinsco
125
240
QFP2150K
QFP2150K
In Stock
From
$334.27
Sylvania
150
240
QFP2225K
QFP2225K
In Stock
From
$296.56
Zinsco
225
240
QFP225-3
QFP225-3
In Stock
From
$603.15
Sylvania
225
240
QFP225-3P
QFP225-3P
In Stock
From
$791.36
Challenger
225
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.