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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
ED2175BP10
ED2175BP10
In Stock
From
$275.86
Eaton
175
240
ED22B020
ED22B020
In Stock
From
$142.51
Siemens
20
240
ED22B020L
ED22B020L
In Stock
From
$88.78
Siemens
20
240
ED22B030L
ED22B030L
In Stock
From
$175.94
Siemens
30
240
ED22B050L
ED22B050L
In Stock
From
$140.92
Siemens
50
240
ED22B070L
ED22B070L
In Stock
From
$226.00
Siemens
70
240
ED23B015L
ED23B015L
In Stock
From
$145.08
Siemens
15
240
ED23B020L
ED23B020L
In Stock
From
$201.14
Siemens
20
240
ED23B040L
ED23B040L
In Stock
From
$197.94
Siemens
40
240
ED23B070L
ED23B070L
In Stock
From
$344.67
Siemens
70
240
ED23B080
ED23B080
In Stock
From
$220.61
Siemens
80
240
ED23B080L
ED23B080L
In Stock
From
$196.84
Siemens
80
240
ED23B090
ED23B090
In Stock
From
$142.37
Siemens
90
240
ED23B090L
ED23B090L
In Stock
From
$111.48
Siemens
90
240
ED41B015L
ED41B015L
In Stock
From
$172.59
Siemens
15
120
ED41B025L
ED41B025L
In Stock
From
$105.63
Siemens
25
120
ED41B030L
ED41B030L
In Stock
From
$138.06
Siemens
30
120
ED41B040
ED41B040
In Stock
From
$188.03
Siemens
40
120
ED41B040L
ED41B040L
In Stock
From
$167.63
Siemens
40
120
ED41B045
ED41B045
In Stock
From
$109.68
Siemens
45
120
ED41B045L
ED41B045L
In Stock
From
$151.81
Siemens
45
120
ED41B050
ED41B050
In Stock
From
$102.38
Siemens
50
120
ED41B050L
ED41B050L
In Stock
From
$110.91
Siemens
50
120
ED41B060
ED41B060
In Stock
From
$80.78
Siemens
60
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.