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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
QGL22200
QGL22200
In Stock
From
$615.82
Square D
200
240
QGM32100TN
QGM32100TN
In Stock
From
$637.95
Schneider Electric
100
240
QJL22125
QJL22125
In Stock
From
$1,490.75
Schneider Electric
125
240
QJL22150
QJL22150
In Stock
From
$1,971.38
Square D
150
240
QJL22200
QJL22200
In Stock
From
$1,632.00
Square D
200
240
QJL22225
QJL22225
In Stock
From
$2,484.48
Schneider Electric
225
240
QO2125
QO2125
In Stock
From
$91.62
Schneider Electric
125
240
QOB115DF
QOB115DF
In Stock
From
$260.00
Schneider Electric
15
120
QOB3301200
QOB3301200
Limited Stock
From
Get Price
Square D
30
-
RG1000
RG1000
In Stock
From
$164.95
Square D
1000
600
RG1600
RG1600
In Stock
From
$14,734.08
Square D
1600
600
RGA36120CU64AE1
RGA36120CU64AE1
In Stock
From
$25,034.79
Schneider Electric
1200
600
RGF36200CU44A
RGF36200CU44A
In Stock
From
$16,638.25
Square D
2000
600
RGF36200U44A
RGF36200U44A
In Stock
From
$29,529.67
Square D
2000
600
RJA36100CU31A
RJA36100CU31A
In Stock
From
$17,509.06
Schneider Electric
1000
600
RJA36100CU33A
RJA36100CU33A
In Stock
From
$39,634.26
Square D
1000
600
RJF36100U33A
RJF36100U33A
In Stock
From
$5,487.58
Square D
1000
600
RJF36100U44A
RJF36100U44A
In Stock
From
$18,411.07
Schneider Electric
1000
600
RJF36120
RJF36120
In Stock
From
$8,973.18
Schneider Electric
1200
600
RJF36120U33A
RJF36120U33A
In Stock
From
$14,266.59
Square D
1200
600
RJF36160CU31A
RJF36160CU31A
In Stock
From
$14,338.03
Schneider Electric
1600
600
RJF36160CU44A
RJF36160CU44A
In Stock
From
$23,193.94
Schneider Electric
1600
600
RJF36200
RJF36200
In Stock
From
$9,483.05
Schneider Electric
2000
600
RKF36160U31A
RKF36160U31A
In Stock
From
$17,729.17
Schneider Electric
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.