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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
BF130AH
BF130AH
In Stock
From
$157.10
Siemens
30
120
BF130AHH
BF130AHH
In Stock
From
$359.81
Siemens
30
120
BF130H
BF130H
In Stock
From
$212.97
Siemens
30
120
BF215
BF215
In Stock
From
$190.42
Siemens
15
240
BF215H
BF215H
In Stock
From
$440.69
Siemens
15
240
BF220H
BF220H
In Stock
From
$239.86
Siemens
20
240
BF240
BF240
In Stock
From
$148.17
Siemens
40
240
BF250A
BF250A
In Stock
From
$113.34
Siemens
50
240
BF250AH
BF250AH
In Stock
From
$475.70
Siemens
50
240
BG220
BG220
In Stock
From
$60.85
Siemens
20
120
BQ2B055
BQ2B055
In Stock
From
$86.41
Siemens
50
240
BQCH3B020
BQCH3B020
In Stock
From
$233.14
Siemens
20
480
CLE63B070
CLE63B070
In Stock
From
$354.31
Siemens
-
-
ED63B045L
ED63B045L
In Stock
From
$741.00
Siemens
40
600
ET1553
ET1553
In Stock
From
$26.80
Siemens
20
120
HDK3B100
HDK3B100
In Stock
From
$2,722.42
Siemens
100
600
LGB3B015
LGB3B015
In Stock
From
$66.36
Siemens
15
480
LGB3B025
LGB3B025
In Stock
From
$369.36
Siemens
25
480
LGB3B030
LGB3B030
In Stock
From
$873.67
Siemens
30
600
LGB3B040
LGB3B040
In Stock
From
$105.93
Siemens
40
480
LGB3B060
LGB3B060
In Stock
From
$370.75
Siemens
60
600
LGB3B080
LGB3B080
In Stock
From
$267.30
Siemens
80
480
NGG3B045
NGG3B045
In Stock
From
$1,128.06
Siemens
45
600
NGG3B045L
NGG3B045L
In Stock
From
$513.08
Siemens
45
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.