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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
EH3S150
EH3S150
In Stock
From
$619.26
ITE
150
480
EH3S150L
EH3S150L
In Stock
From
$608.34
ITE
150
480
EQ2115
EQ2115
In Stock
From
$59.12
ITE
15
240
EQ9685R
EQ9685R
In Stock
From
$288.82
Siemens
200
240
ET4062
ET4062
In Stock
From
$87.09
Siemens
10
600
ET4063
ET4063
In Stock
From
$114.33
ITE
25
600
FFC3M225
FFC3M225
In Stock
From
$813.32
Siemens
225
415
FJ2B090
FJ2B090
In Stock
From
$686.15
ITE
90
600
FJ2B100
FJ2B100
In Stock
From
$831.14
ITE
100
600
FJ2B125
FJ2B125
In Stock
From
$95.14
Siemens
125
600
FJ2B175
FJ2B175
In Stock
From
$83.63
Siemens
175
600
FJ2B225
FJ2B225
In Stock
From
$767.50
ITE
225
600
FJ3B070
FJ3B070
In Stock
From
$387.24
ITE
70
600
FJ3B110
FJ3B110
In Stock
From
$911.10
Siemens
110
600
FJ3B150
FJ3B150
In Stock
From
$471.64
Siemens
150
600
FJ62B080
FJ62B080
In Stock
From
$296.24
Siemens
80
600
FJ62B100
FJ62B100
In Stock
From
$188.36
Siemens
100
600
FJ62B125
FJ62B125
In Stock
From
$202.18
Siemens
125
600
FJ62B150
FJ62B150
In Stock
From
$458.80
ITE
150
600
FJ62B175
FJ62B175
In Stock
From
$268.64
Siemens
175
600
FJ62B200
FJ62B200
In Stock
From
$324.33
Siemens
200
600
FJ62B225
FJ62B225
In Stock
From
$130.63
Siemens
225
600
FJ62B250
FJ62B250
In Stock
From
$35.71
Siemens
250
600
FJ63A150
FJ63A150
In Stock
From
$415.69
ITE
150
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.