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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
ECB24030G3
ECB24030G3
In Stock
From
$316.68
Square D
30
480
ED2030
ED2030
In Stock
From
$437.90
Westinghouse
30
240
ED2060L
ED2060L
In Stock
From
$257.58
Eaton
60
240
ED2100L
ED2100L
In Stock
From
$265.49
Eaton
100
240
ED2100W
ED2100W
In Stock
From
$166.98
Eaton
100
240
ED2150LBP10
ED2150LBP10
In Stock
From
$753.41
Eaton
150
240
ED21B100
ED21B100
In Stock
From
$59.66
Siemens
100
120
ED2200LBP10
ED2200LBP10
In Stock
From
$353.20
Eaton
200
240
ED2225Y
ED2225Y
In Stock
From
$175.20
Eaton
225
240
ED22B100L
ED22B100L
In Stock
From
$297.36
Siemens
100
240
ED23B060
ED23B060
In Stock
From
$220.81
Siemens
60
240
ED3015
ED3015
In Stock
From
$184.46
Westinghouse
15
240
ED3020
ED3020
In Stock
From
$394.06
Eaton
20
240
ED3025
ED3025
In Stock
From
$290.47
Cutler Hammer
25
240
ED3030
ED3030
In Stock
From
$935.44
Westinghouse
30
240
ED3035
ED3035
In Stock
From
$539.80
Westinghouse
35
240
ED3040
ED3040
In Stock
From
$79.17
Westinghouse
40
240
ED3050
ED3050
In Stock
From
$239.67
Westinghouse
50
240
ED3060L
ED3060L
In Stock
From
$312.67
Eaton
60
240
ED3125LV
ED3125LV
In Stock
From
$722.63
Westinghouse
125
240
ED3150S22
ED3150S22
In Stock
From
$1,185.67
Eaton
150
240
ED3175W
ED3175W
In Stock
From
$579.86
Eaton
175
240
ED3200BP10
ED3200BP10
Limited Stock
From
Get Price
Eaton
200
240
ED42B020
ED42B020
In Stock
From
$193.31
Siemens
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.