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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
QBL22175
QBL22175
In Stock
From
$285.43
Square D
175
240
QBL22200LU
QBL22200LU
In Stock
From
$279.16
Square D
200
240
QDA32175
QDA32175
In Stock
From
$703.98
Schneider Electric
175
240
QDL22070
QDL22070
In Stock
From
$266.82
Schneider Electric
70
240
QDL22100
QDL22100
In Stock
From
$396.21
Schneider Electric
100
240
QDL22125
QDL22125
In Stock
From
$391.87
Square D
125
240
QDL22175
QDL22175
In Stock
From
$642.72
Square D
175
240
QDL22200
QDL22200
In Stock
From
$339.63
Schneider Electric
200
240
QDM22200TN
QDM22200TN
In Stock
From
$555.24
Square D
200
240
QJL22100
QJL22100
In Stock
From
$1,937.02
Square D
100
240
QO120PAF
QO120PAF
In Stock
From
$44.18
Schneider Electric
125
240
QOB115VH
QOB115VH
In Stock
From
$34.87
Schneider Electric
15
120
QOB215GFI
QOB215GFI
In Stock
From
$234.55
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
$128.19
Schneider Electric
40
240
QOB370VH
QOB370VH
In Stock
From
$192.86
Schneider Electric
70
240
QOU150
QOU150
In Stock
From
$15.27
Schneider Electric
50
120
QOU350
QOU350
In Stock
From
$98.32
Schneider Electric
50
240
QOU370
QOU370
In Stock
From
$124.77
Schneider Electric
70
240
RGA36120CU63AE1
RGA36120CU63AE1
In Stock
From
$24,669.52
Square D
1200
600
RGF36160CU33A
RGF36160CU33A
In Stock
From
$17,499.16
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
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.