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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
EJB14070
EJB14070
In Stock
From
$593.93
Square D
70
277
EJB16015
EJB16015
In Stock
From
$366.09
Square D
15
600
EJB16020
EJB16020
In Stock
From
$238.06
Schneider Electric
20
600
EJB16030
EJB16030
In Stock
From
$433.55
Square D
30
600
EJB16040
EJB16040
In Stock
From
$73.27
Square D
40
600
EJB24015
EJB24015
In Stock
From
$276.47
Schneider Electric
15
480
EJB24025
EJB24025
In Stock
From
$194.96
Square D
25
480
EJB24030
EJB24030
In Stock
From
$261.24
Square D
30
480
EJB24035
EJB24035
In Stock
From
$394.34
Schneider Electric
35
480
EJB24040
EJB24040
In Stock
From
$287.46
Schneider Electric
40
480
EJB24045
EJB24045
In Stock
From
$257.65
Square D
45
480
EJB24050
EJB24050
In Stock
From
$625.27
Square D
50
480
EJB24060
EJB24060
In Stock
From
$245.87
Schneider Electric
60
480
EJB24070
EJB24070
In Stock
From
$414.49
Square D
70
480
EJB24080
EJB24080
In Stock
From
$731.78
Square D
80
480
EJB24100
EJB24100
In Stock
From
$405.43
Schneider Electric
100
480
EJB24110
EJB24110
In Stock
From
$1,264.14
Square D
110
480
EJB26015
EJB26015
In Stock
From
$850.56
Square D
15
600
EJB26030
EJB26030
In Stock
From
$1,040.25
Square D
30
600
EJB26040
EJB26040
In Stock
From
$1,667.98
Square D
40
600
EJB26060
EJB26060
In Stock
From
$1,288.15
Schneider Electric
60
600
EJB26080
EJB26080
In Stock
From
$1,476.75
Square D
80
600
EJB26090
EJB26090
In Stock
From
$1,470.71
Square D
90
600
EJB34020SA
EJB34020SA
In Stock
From
$562.62
Square D
20
480
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.