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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
EJB34015LH
EJB34015LH
In Stock
From
$1,711.39
Square D
15
480
EJB34020LH
EJB34020LH
In Stock
From
$1,327.89
Square D
20
480
EJB34110SA
EJB34110SA
In Stock
From
$2,969.64
Square D
110
480
FAP36035TF
FAP36035TF
In Stock
From
$139.25
Schneider Electric
35
600
FHP36025TF
FHP36025TF
In Stock
From
$371.67
Schneider Electric
25
600
HDL36015UA
HDL36015UA
In Stock
From
$193.08
Square D
15
600
HGL36060AASA
HGL36060AASA
In Stock
From
$1,278.90
Schneider Electric
60
600
HGL36125H84SOLU
HGL36125H84SOLU
In Stock
From
$1,131.00
Square D
125
600
HJL36100SO
HJL36100SO
In Stock
From
$550.19
Square D
100
600
JGL36175AASO
JGL36175AASO
In Stock
From
$1,327.61
Schneider Electric
175
600
JJA362256
JJA362256
In Stock
From
$776.23
Square D
225
600
LA362501212
LA362501212
In Stock
From
$2,830.12
Square D
250
600
LHL364001287
LHL364001287
In Stock
From
$2,154.48
Square D
400
600
LHL3640030DC1616
LHL3640030DC1616
In Stock
From
$1,743.05
Square D
400
500
LJA36250CU33XEBSAYH1
LJA36250CU33XEBSAYH1
In Stock
From
$8,511.15
Square D
250
600
LJL36600U31XSA
LJL36600U31XSA
In Stock
From
$7,405.79
Square D
600
600
LRM36600U31X
LRM36600U31X
In Stock
From
$1,666.67
Square D
600
600
MG24453
MG24453
In Stock
From
$55.19
Square D
25
240
MGA36600YP
MGA36600YP
In Stock
From
$4,177.62
Square D
600
600
MJA36300AB
MJA36300AB
In Stock
From
$2,261.66
Square D
300
600
MJA36300YP
MJA36300YP
In Stock
From
$3,392.48
Square D
300
600
MJA36350YP
MJA36350YP
In Stock
From
$4,357.94
Schneider Electric
350
600
MJA36450YP
MJA36450YP
In Stock
From
$4,243.06
Schneider Electric
450
600
MJA36500YP
MJA36500YP
In Stock
From
$2,919.17
Square D
500
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.