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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
QDL22250
QDL22250
In Stock
From
$732.65
Schneider Electric
250
240
QDM22200TN
QDM22200TN
In Stock
From
$555.24
Square D
200
240
QGL22080
QGL22080
In Stock
From
$1,893.44
Square D
80
240
QGL22125
QGL22125
In Stock
From
$567.77
Schneider Electric
125
240
QGL22150
QGL22150
In Stock
From
$523.24
Schneider Electric
150
240
QGM32100TN
QGM32100TN
In Stock
From
$131.05
Schneider Electric
100
240
QJL22125
QJL22125
In Stock
From
$1,490.75
Schneider Electric
125
240
QJL22225
QJL22225
In Stock
From
$2,609.82
Schneider Electric
225
240
QO2125
QO2125
In Stock
From
$90.50
Schneider Electric
125
240
QOB115VH
QOB115VH
In Stock
From
$35.22
Schneider Electric
15
120
QOB215GFI
QOB215GFI
In Stock
From
$227.72
Schneider Electric
15
240
QOB240GFI
QOB240GFI
In Stock
From
$161.05
Schneider Electric
40
240
QOB315VH
QOB315VH
In Stock
From
$132.49
Schneider Electric
15
240
QOB340VH
QOB340VH
In Stock
From
$131.17
Schneider Electric
40
240
QOB370VH
QOB370VH
In Stock
From
$189.97
Schneider Electric
70
240
QOU150
QOU150
In Stock
From
$15.27
Schneider Electric
50
120
QOU230
QOU230
In Stock
From
$24.39
Schneider Electric
30
240
RGF36160CU33A
RGF36160CU33A
In Stock
From
$18,648.65
Square D
1600
600
RGF36160U44A
RGF36160U44A
In Stock
From
$7,431.82
Square D
1600
600
RGF36160U63AE1
RGF36160U63AE1
In Stock
From
$33,862.61
Square D
1600
600
RJA36100CU31A
RJA36100CU31A
In Stock
From
$17,509.06
Schneider Electric
1000
600
RJF36100U44A
RJF36100U44A
In Stock
From
$18,411.07
Schneider Electric
1000
600
RJF36200
RJF36200
In Stock
From
$7,902.54
Schneider Electric
2000
600
RJF36200U41A
RJF36200U41A
In Stock
From
$10,472.73
Square D
2000
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.