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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
HJP36015
HJP36015
In Stock
From
$878.98
Square D
15
600
HJP36025
HJP36025
In Stock
From
$162.89
Square D
25
600
HJP36045
HJP36045
In Stock
From
$657.98
Square D
45
600
HJP36050
HJP36050
In Stock
From
$385.34
Square D
50
600
HJP36060
HJP36060
In Stock
From
$300.46
Square D
60
600
HJP36080
HJP36080
In Stock
From
$591.80
Square D
80
600
HJP36100
HJP36100
In Stock
From
$422.13
Square D
100
600
HJP36150
HJP36150
In Stock
From
$986.70
Schneider Electric
150
600
HJW4250F
HJW4250F
In Stock
From
$8,164.09
Eaton
250
690
HJXD63B300
HJXD63B300
In Stock
From
$2,318.25
Siemens
300
600
HKD2200
HKD2200
In Stock
From
$2,395.16
Cutler Hammer
200
600
HKD3100F
HKD3100F
In Stock
From
$1,866.25
Cutler Hammer
100
600
HKDDC3350
HKDDC3350
In Stock
From
$2,002.22
Cutler Hammer
350
600
HKDDC3350W
HKDDC3350W
In Stock
From
$4,045.46
Eaton
350
600
HKW3400
HKW3400
In Stock
From
$5,834.28
Westinghouse
400
690
HLA36100YP
HLA36100YP
In Stock
From
$2,072.23
Square D
100
600
HLD2500
HLD2500
In Stock
From
$2,314.99
Cutler Hammer
500
600
HLD3600F
HLD3600F
In Stock
From
$3,244.91
Eaton
600
600
HLDB3600FT33W
HLDB3600FT33W
In Stock
From
$4,164.08
Eaton
600
600
HLL36050
HLL36050
In Stock
From
$905.58
Square D
50
600
HLL36050M72
HLL36050M72
In Stock
From
$448.86
Schneider Electric
50
600
HLL36060U31X
HLL36060U31X
In Stock
From
$1,079.14
Square D
60
600
HLL36090
HLL36090
In Stock
From
$831.54
Schneider Electric
90
600
HLL36125LV
HLL36125LV
In Stock
From
$1,050.69
Square D
125
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.