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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
QJL22250
QJL22250
In Stock
From
$808.58
Schneider Electric
250
240
RGA36120CU41A
RGA36120CU41A
In Stock
From
$7,534.04
Square D
1200
600
RGF36120U33A
RGF36120U33A
Limited Stock
From
Get Price
Schneider Electric
1200
600
RGF36160U33B
RGF36160U33B
In Stock
From
$12,573.24
Schneider Electric
1600
600
RGF36160U41A
RGF36160U41A
Limited Stock
From
Get Price
Square D
1600
600
RGF36160U43A
RGF36160U43A
In Stock
From
$18,376.27
Schneider Electric
1600
600
RJF36160SAYP
RJF36160SAYP
In Stock
From
$6,854.30
Square D
1600
600
RJF36250YP
RJF36250YP
In Stock
From
$8,899.48
Square D
2500
600
RKA36120CU44AYP
RKA36120CU44AYP
In Stock
From
$12,060.00
Square D
1200
600
RKF36100U31A
RKF36100U31A
In Stock
From
$6,389.18
Square D
1000
600
RKF36120U33A
RKF36120U33A
In Stock
From
$2,468.36
Schneider Electric
1200
600
RKF36160U63AE1
RKF36160U63AE1
In Stock
From
$21,036.17
Schneider Electric
1600
600
RKF36200AASK
RKF36200AASK
In Stock
From
$10,583.87
Schneider Electric
2000
600
RLA36100CU41A
RLA36100CU41A
In Stock
From
$18,832.00
Square D
1000
600
RLF36000S20
RLF36000S20
In Stock
From
$7,496.38
Schneider Electric
2000
600
RLF36080U31A
RLF36080U31A
In Stock
From
$1,111.11
Square D
800
600
RLF36120
RLF36120
In Stock
From
$5,186.65
Square D
1200
600
RLF36160AASK
RLF36160AASK
In Stock
From
$8,887.91
Schneider Electric
1600
600
RLF36160CU63AE1YD
RLF36160CU63AE1YD
In Stock
From
$12,306.34
Schneider Electric
1600
600
SFAL1100
SFAL1100
In Stock
From
$126.64
Schneider Electric
100
240
SFAL2020
SFAL2020
In Stock
From
$257.77
Schneider Electric
20
415
SFHL3080
SFHL3080
Limited Stock
From
Get Price
Square D
80
415
BDA161001
BDA161001
Limited Stock
From
Get Price
Schneider Electric
100
600
BDF26015
BDF26015
Limited Stock
From
Get Price
Square D
15
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.