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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
QDM32125
QDM32125
In Stock
From
$615.79
Square D
125
240
QDM32150
QDM32150
In Stock
From
$425.67
Schneider Electric
150
240
QDM32225
QDM32225
In Stock
From
$430.97
Square D
225
240
QDM32250
QDM32250
In Stock
From
$1,004.03
Square D
250
240
QDP22225
QDP22225
In Stock
From
$272.15
Schneider Electric
225
240
QDP32100TP
QDP32100TP
In Stock
From
$761.82
Square D
100
240
QDP32125TP
QDP32125TP
In Stock
From
$615.79
Square D
125
240
QE130
QE130
In Stock
From
$124.94
Siemens
30
240
QE250
QE250
In Stock
From
$202.47
Siemens
50
240
QF240AH
QF240AH
In Stock
From
$205.51
Siemens
40
240
QJ22B070
QJ22B070
In Stock
From
$137.14
Siemens
70
240
QJ22B070H
QJ22B070H
In Stock
From
$293.35
Siemens
70
240
QJ22B080
QJ22B080
In Stock
From
$227.85
Siemens
80
240
QJ22B080H
QJ22B080H
In Stock
From
$204.28
Siemens
80
240
QJ22B080HL
QJ22B080HL
In Stock
From
$327.50
Siemens
80
240
QJ22B080L
QJ22B080L
In Stock
From
$155.60
Siemens
80
240
QJ22B090
QJ22B090
In Stock
From
$231.06
Siemens
90
240
QJ22B090H
QJ22B090H
In Stock
From
$327.50
Siemens
90
240
QJ22B090HL
QJ22B090HL
In Stock
From
$327.50
Siemens
90
240
QJ22B090L
QJ22B090L
In Stock
From
$154.80
Siemens
90
240
QJ22B100H
QJ22B100H
In Stock
From
$538.17
Siemens
100
240
QJ22B100HL
QJ22B100HL
In Stock
From
$526.72
Siemens
100
240
QJ22B110
QJ22B110
In Stock
From
$183.50
Siemens
110
240
QJ22B110H
QJ22B110H
In Stock
From
$387.19
Siemens
110
240
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.