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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
HQP2080
HQP2080
In Stock
From
$193.34
Eaton
80
240
HQP2100
HQP2100
In Stock
From
$49.90
Cutler Hammer
100
240
HQP3015H
HQP3015H
In Stock
From
$128.42
Cutler Hammer
15
240
HQP3020H
HQP3020H
In Stock
From
$34.89
Eaton
20
240
HQP3040H
HQP3040H
In Stock
From
$503.79
Cutler Hammer
40
240
HQP3050H
HQP3050H
In Stock
From
$72.46
Cutler Hammer
50
240
HQP3060H
HQP3060H
In Stock
From
$135.29
Cutler Hammer
60
240
HQP3100H
HQP3100H
In Stock
From
$1,202.17
Cutler Hammer
100
240
HRGF15
HRGF15
In Stock
From
$471.28
Zinsco
15
120
HRL36050M72
HRL36050M72
In Stock
From
$958.69
Square D
50
600
HRL36060CU31X
HRL36060CU31X
In Stock
From
$620.68
Square D
60
600
HRL36100U31X
HRL36100U31X
In Stock
From
$1,240.99
Square D
100
600
HRP36060U31X
HRP36060U31X
In Stock
From
$1,840.59
Schneider Electric
60
600
IF36050
IF36050
In Stock
From
$576.47
Square D
50
600
IK36125
IK36125
In Stock
From
$935.26
Square D
125
600
IK36200
IK36200
In Stock
From
$1,546.63
Square D
200
600
IK36225
IK36225
In Stock
From
$735.28
Square D
225
600
IN250
IN250
In Stock
From
$211.65
Merlin Gerin
250
690
INS250
INS250
In Stock
From
$159.04
Merlin Gerin
250
750
IZMN1-V1250
IZMN1-V1250
In Stock
From
$3,650.18
Eaton
1250
690
JDFP63B291
JDFP63B291
In Stock
From
$3,150.00
Siemens
335
600
JDL36225LC
JDL36225LC
In Stock
From
$831.87
Schneider Electric
250
600
JDL36250C
JDL36250C
In Stock
From
$6,413.46
Square D
250
600
JDL36250LC
JDL36250LC
In Stock
From
$2,003.84
Schneider Electric
250
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.