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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
FDA240702
FDA240702
In Stock
From
$133.54
Square D
70
480
FDA241002
FDA241002
In Stock
From
$132.81
Square D
100
480
FH16020
FH16020
In Stock
From
$262.50
Schneider Electric
20
277
GB2CB07
GB2CB07
In Stock
From
$68.89
Schneider Electric
2
277
GB2CB16
GB2CB16
In Stock
From
$58.70
Schneider Electric
10
277
GB2CD22
GB2CD22
Limited Stock
From
Get Price
Schneider Electric
20
277
HLL36150LV
HLL36150LV
In Stock
From
$278.84
Schneider Electric
150
600
HOMT1515215
HOMT1515215
In Stock
From
$43.14
Schneider Electric
15
240
HOMT1515230
HOMT1515230
In Stock
From
$82.02
Schneider Electric
30
240
HRL36030M71
HRL36030M71
In Stock
From
$822.73
Square D
30
600
HRL36050M72
HRL36050M72
In Stock
From
$953.89
Square D
50
600
HRL36100U31X
HRL36100U31X
In Stock
From
$992.79
Square D
100
600
JDL36225LC
JDL36225LC
In Stock
From
$831.87
Schneider Electric
250
600
JDL36250LC
JDL36250LC
In Stock
From
$2,003.84
Schneider Electric
250
600
LAB36250
LAB36250
Limited Stock
From
Get Price
Schneider Electric
250
600
LAB36300
LAB36300
In Stock
From
$814.23
Square D
300
600
LV428102
LV428102
In Stock
From
$254.41
Schneider Electric
25
690
LV428103
LV428103
In Stock
From
$254.81
Schneider Electric
12
690
LV428104
LV428104
In Stock
From
$253.85
Schneider Electric
6
690
LV429005
LV429005
In Stock
From
$279.59
Schneider Electric
100
690
LV429006
LV429006
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429009
LV429009
In Stock
From
$601.17
Schneider Electric
100
690
LV429018
LV429018
In Stock
From
$748.19
Schneider Electric
100
690
LV429019
LV429019
Limited Stock
From
Get Price
Schneider Electric
100
690
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.