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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
ED23B045
ED23B045
In Stock
From
$200.48
Siemens
45
240
ED23B045L
ED23B045L
In Stock
From
$550.61
Siemens
45
240
ED23B050
ED23B050
In Stock
From
$154.51
Siemens
50
240
ED23B050L
ED23B050L
In Stock
From
$252.50
Siemens
50
240
ED23B060L
ED23B060L
In Stock
From
$301.08
Siemens
60
240
ED23B070
ED23B070
In Stock
From
$431.99
Siemens
70
240
ED23B100
ED23B100
In Stock
From
$300.07
Siemens
100
240
ED23B100L
ED23B100L
In Stock
From
$413.32
Siemens
100
240
ED23S100A
ED23S100A
In Stock
From
$173.99
Siemens
100
240
ED23S100AL
ED23S100AL
In Stock
From
$468.46
Siemens
100
240
ED3015LV
ED3015LV
In Stock
From
$227.27
Westinghouse
15
240
ED3025LV
ED3025LV
In Stock
From
$505.95
Westinghouse
25
240
ED3030BP10
ED3030BP10
In Stock
From
$247.18
Eaton
30
240
ED3030LV
ED3030LV
In Stock
From
$483.72
Westinghouse
30
240
ED3035BP10
ED3035BP10
In Stock
From
$160.69
Eaton
35
240
ED3035L
ED3035L
In Stock
From
$247.21
Eaton
35
240
ED3060LV
ED3060LV
In Stock
From
$934.04
Cutler Hammer
60
240
ED3175LV
ED3175LV
In Stock
From
$1,778.11
Westinghouse
175
240
ED3225LV
ED3225LV
In Stock
From
$893.47
Cutler Hammer
225
240
ED41B035
ED41B035
In Stock
From
$165.72
Siemens
35
120
ED41B035L
ED41B035L
In Stock
From
$190.63
Siemens
35
120
ED41B070
ED41B070
In Stock
From
$73.29
Siemens
70
120
ED41B070L
ED41B070L
In Stock
From
$85.31
Siemens
70
120
ED41B080
ED41B080
In Stock
From
$222.47
Siemens
80
120
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.