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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
FHP3605016M
FHP3605016M
In Stock
From
$1,311.84
Square D
50
600
FHP36060
FHP36060
In Stock
From
$688.07
Square D
60
600
FHP36080
FHP36080
In Stock
From
$878.94
Square D
80
600
FHP36100
FHP36100
In Stock
From
$677.86
Square D
100
600
FHP361001212
FHP361001212
In Stock
From
$923.75
Square D
100
600
FHP3610018M
FHP3610018M
In Stock
From
$1,948.99
Square D
100
600
FHP36100TF
FHP36100TF
In Stock
From
$954.58
Square D
100
600
FIL360701021
FIL360701021
In Stock
From
$869.61
Square D
70
600
FY14015A
FY14015A
In Stock
From
$34.77
Square D
15
277
FY14030A
FY14030A
In Stock
From
$122.70
Square D
30
277
HDA260151
HDA260151
In Stock
From
$962.68
Square D
15
600
HDA260204
HDA260204
In Stock
From
$614.80
Square D
20
600
HDA260302
HDA260302
In Stock
From
$452.18
Square D
30
600
HDA260402
HDA260402
In Stock
From
$578.57
Square D
40
600
HDA260504
HDA260504
In Stock
From
$662.89
Square D
50
600
HDA260902
HDA260902
In Stock
From
$555.95
Square D
90
600
HDA261252
HDA261252
In Stock
From
$895.52
Square D
125
600
HDA36060U33X
HDA36060U33X
In Stock
From
$1,603.77
Square D
60
600
HDA36060U33XYE
HDA36060U33XYE
In Stock
From
$341.14
Square D
60
600
HDA36100SA
HDA36100SA
In Stock
From
$1,863.84
Square D
100
600
HDA36100U33X
HDA36100U33X
In Stock
From
$1,580.89
Square D
100
600
HDA36100U53X
HDA36100U53X
In Stock
From
$3,090.33
Square D
100
600
HDA36150U44X
HDA36150U44X
In Stock
From
$3,339.42
Square D
150
600
HDA36150U53X
HDA36150U53X
In Stock
From
$2,250.75
Square D
150
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.