1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 

    4. Molded Case Circuit Breaker

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
HGN36150ABS0HJ00
HGN36150ABS0HJ00
In Stock
From
$149.63
Square D
HJA3225E
HJA3225E
In Stock
From
$40.91
Square D
HJA36060U31X6
HJA36060U31X6
In Stock
From
$272.73
Square D
HJA36060U53XEH6
HJA36060U53XEH6
In Stock
From
$545.45
Square D
HJA36100YQ
HJA36100YQ
In Stock
From
$0.01
Square D
HJL3603M71AA
HJL3603M71AA
In Stock
From
$104.31
Square D
HJL36060U43XEG
HJL36060U43XEG
In Stock
From
$662.16
Square D
HJP26030AASA
HJP26030AASA
In Stock
From
$73.00
Square D
HLA36030YP
HLA36030YP
In Stock
From
$199.50
Square D
HLA36060U33XSA
HLA36060U33XSA
In Stock
From
$333.33
Square D
HLA36100SAYP
HLA36100SAYP
In Stock
From
$222.22
Square D
HLL36060U43XEN
HLL36060U43XEN
In Stock
From
$359.10
Square D
HLL36150U43XEN
HLL36150U43XEN
In Stock
From
$538.66
Square D
HOM250GFIC
HOM250GFIC
In Stock
From
$240.68
Square D
HRA36100U44XEN
HRA36100U44XEN
In Stock
From
$333.33
Square D
IF36100G
IF36100G
In Stock
From
$33.33
Square D
IFB34070
IFB34070
In Stock
From
$26.22
Square D
IFB36080
IFB36080
In Stock
From
$22.22
Square D
IKB36200
IKB36200
In Stock
From
$111.11
Square D
JGA36250SA
JGA36250SA
In Stock
From
$1,052.58
Square D
JGA36250U31XABLY
JGA36250U31XABLY
In Stock
From
$1,550.44
Square D
JGA36250U31XABYQ
JGA36250U31XABYQ
In Stock
From
$1,550.44
Square D
JGM36250U31XLY
JGM36250U31XLY
In Stock
From
$281.98
Square D
JLL36250U43XEG
JLL36250U43XEG
In Stock
From
$897.74
Square D
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.