1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
RJF36120
RJF36120
In Stock
From
$11,216.48
Schneider Electric
1200
600
RJF36120U33A
RJF36120U33A
In Stock
From
$12,061.54
Square D
1200
600
RJF36160
RJF36160
In Stock
From
$24,832.50
Square D
1600
600
RJF36160CU31A
RJF36160CU31A
In Stock
From
$11,948.36
Schneider Electric
1600
600
RJF36160CU44A
RJF36160CU44A
In Stock
From
$23,193.94
Schneider Electric
1600
600
RKF36120U33A
RKF36120U33A
In Stock
From
$3,085.45
Schneider Electric
1200
600
RKF36200
RKF36200
In Stock
From
$11,506.07
Schneider Electric
2000
600
RKF36200AA
RKF36200AA
In Stock
From
$11,175.84
Square D
2000
600
RKF36200CU43A
RKF36200CU43A
In Stock
From
$7,450.56
Square D
2000
600
RKF36200CU64AE1
RKF36200CU64AE1
In Stock
From
$14,306.60
Schneider Electric
2000
600
RKF36200U31A
RKF36200U31A
In Stock
From
$23,200.12
Schneider Electric
2000
600
RKF36200U44A
RKF36200U44A
Limited Stock
From
Get Price
Schneider Electric
2000
600
RLF36120CU44A
RLF36120CU44A
In Stock
From
$9,575.35
Square D
1200
600
RLF36160
RLF36160
In Stock
From
$10,665.49
Schneider Electric
1600
600
RLF36160CU63AE1YD
RLF36160CU63AE1YD
In Stock
From
$12,306.34
Schneider Electric
1600
600
SFAL3050
SFAL3050
Limited Stock
From
Get Price
Schneider Electric
50
415
SFAL3063
SFAL3063
Limited Stock
From
Get Price
Schneider Electric
63
415
SFAL3100
SFAL3100
In Stock
From
$395.64
Schneider Electric
100
415
BGL36100LU
BGL36100LU
In Stock
From
$721.49
Square D
-
600
HDL36150U33X
HDL36150U33X
In Stock
From
$914.24
Schneider Electric
150
600
JJA36250U31XYP
JJA36250U31XYP
In Stock
From
$1,321.59
Square D
250
600
JJA36250U33XYP
JJA36250U33XYP
In Stock
From
$2,464.86
Square D
250
600
LGA36400U53XEH
LGA36400U53XEH
In Stock
From
Get Price
Schneider Electric
400
600
1C100
1C100
In Stock
From
$123.65
Schneider Electric
100
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.