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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
CED63B060
CED63B060
In Stock
From
$589.64
Siemens
60
600
CED63B060L
CED63B060L
In Stock
From
$783.80
Siemens
60
600
CED63B070
CED63B070
In Stock
From
$754.26
Siemens
70
600
CED63B070L
CED63B070L
In Stock
From
$895.94
Siemens
70
600
CED63B080
CED63B080
In Stock
From
$681.57
Siemens
80
600
CED63B080L
CED63B080L
In Stock
From
$927.17
Siemens
80
600
CED63B090
CED63B090
In Stock
From
$557.73
Siemens
90
600
CED63B090L
CED63B090L
In Stock
From
$892.56
Siemens
90
600
CED63B100
CED63B100
In Stock
From
$744.12
Siemens
100
600
CED63B100L
CED63B100L
In Stock
From
$1,077.32
Siemens
100
600
CED63S100A
CED63S100A
In Stock
From
$739.03
Siemens
100
600
CED63S125A
CED63S125A
Limited Stock
From
Get Price
Siemens
125
600
CF150N
CF150N
In Stock
From
$601.42
Merlin Gerin
150
480
CF250H
CF250H
In Stock
From
$3.03
Square D
250
600
CF250NA
CF250NA
In Stock
From
$719.01
Merlin Gerin
250
600
CF3015
CF3015
In Stock
From
$289.17
Challenger
15
600
CF3030L
CF3030L
In Stock
From
$290.22
Challenger
30
600
CF3040
CF3040
In Stock
From
$12.03
Challenger
40
600
CF3045
CF3045
In Stock
From
$4.49
Challenger
45
600
CF3050
CF3050
In Stock
From
$34.75
Challenger
50
600
CF3060
CF3060
In Stock
From
$165.00
Challenger
60
600
CF3070
CF3070
In Stock
From
$98.00
Challenger
70
600
CF3080
CF3080
In Stock
From
$148.64
Challenger
80
600
CFD62B070
CFD62B070
In Stock
From
$989.87
Siemens
70
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.