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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
GJL36015M03
GJL36015M03
In Stock
From
$529.12
Square D
15
600
GJL36030M04
GJL36030M04
In Stock
From
$626.41
Square D
30
600
GJL36050M05
GJL36050M05
In Stock
From
$770.65
Square D
50
600
GJL36075M06
GJL36075M06
In Stock
From
$1,076.54
Square D
75
600
HLL36015LV
HLL36015LV
In Stock
From
$2,224.81
Schneider Electric
15
600
HOM115CP
HOM115CP
In Stock
From
$7.41
Square D
15
240
HOM2175BB
HOM2175BB
In Stock
From
$409.46
Square D
175
240
HOM2200BB
HOM2200BB
In Stock
From
$609.44
Square D
200
240
HOM220GFI
HOM220GFI
In Stock
From
$116.00
Square D
20
240
HOM230EPD
HOM230EPD
In Stock
From
$345.46
Square D
30
240
HOM240EPD
HOM240EPD
In Stock
From
$222.65
Square D
40
240
HOMT1515220
HOMT1515220
In Stock
From
$38.97
Square D
20
240
HOMT2020240
HOMT2020240
In Stock
From
$66.61
Square D
40
240
HOMT2020250
HOMT2020250
In Stock
From
$57.19
Square D
50
240
HOMT3020
HOMT3020
In Stock
From
$33.25
Square D
30
120
HRA36100U31X
HRA36100U31X
In Stock
From
$3,250.00
Square D
100
600
HRL36060CU31X
HRL36060CU31X
In Stock
From
$2,037.22
Square D
60
600
HRL36060U31X
HRL36060U31X
In Stock
From
$1,676.86
Square D
60
600
HRP36060U31X
HRP36060U31X
In Stock
From
$1,840.59
Schneider Electric
60
600
JDL36250C
JDL36250C
In Stock
From
$6,068.64
Square D
250
600
JRL36250U31X
JRL36250U31X
In Stock
From
$1,804.62
Schneider Electric
250
600
LGA36600U44X
LGA36600U44X
In Stock
From
$8,385.52
Schneider Electric
600
600
MAL36000
MAL36000
In Stock
From
$1,377.01
Square D
1000
600
MGL36800E10
MGL36800E10
In Stock
From
$6,861.47
Square D
800
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.