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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
CFD63M200
CFD63M200
In Stock
From
$11,160.80
Siemens
200
600
CFD63M250
CFD63M250
In Stock
From
$1,651.65
Siemens
250
600
CJD63H400
CJD63H400
In Stock
From
$3,045.39
Siemens
400
600
CND63B120
CND63B120
In Stock
From
$4,940.00
Siemens
1200
600
ED21B015
ED21B015
In Stock
From
$130.49
Siemens
15
120
ED21B015L
ED21B015L
In Stock
From
$204.61
Siemens
15
120
ED21B070L
ED21B070L
In Stock
From
$504.70
Siemens
70
120
ED43B025
ED43B025
In Stock
From
$310.01
Siemens
25
480
ED43B040
ED43B040
In Stock
From
$221.34
Siemens
40
480
ED43B040L
ED43B040L
In Stock
From
$584.27
Siemens
40
480
ED43B060L
ED43B060L
In Stock
From
$1,147.71
Siemens
60
480
ED43B080
ED43B080
In Stock
From
$402.83
Siemens
80
480
ED61B030
ED61B030
In Stock
From
$117.52
Siemens
30
600
ED61B035
ED61B035
In Stock
From
$107.92
Siemens
35
600
ED62B015
ED62B015
In Stock
From
$207.19
Siemens
15
600
ED62B030
ED62B030
In Stock
From
$580.30
Siemens
30
600
ED62B050
ED62B050
In Stock
From
$162.37
Siemens
50
600
ED62B060
ED62B060
In Stock
From
$788.02
Siemens
60
600
ED62B100
ED62B100
In Stock
From
$198.80
Siemens
100
600
ED63A003
ED63A003
In Stock
From
$171.34
Siemens
3
600
ED63A005
ED63A005
In Stock
From
$332.48
Siemens
5
600
ED63B025
ED63B025
In Stock
From
$632.64
Siemens
25
600
ED63B025L
ED63B025L
In Stock
From
$477.95
Siemens
25
600
ED63B035L
ED63B035L
In Stock
From
$741.00
Siemens
35
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.