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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
BQCH2B040
BQCH2B040
In Stock
From
$51.52
Siemens
40
480
BQCH2B045
BQCH2B045
In Stock
From
$77.48
Siemens
45
480
BQCH2B050
BQCH2B050
In Stock
From
$80.50
Siemens
50
480
BQCH2B070
BQCH2B070
In Stock
From
$99.02
Siemens
70
480
BQCH2B080
BQCH2B080
In Stock
From
$94.75
Siemens
80
480
BQCH2B090
BQCH2B090
In Stock
From
$102.73
Siemens
90
480
BQCH3B015
BQCH3B015
In Stock
From
$194.39
Siemens
15
480
BQCH3B080
BQCH3B080
In Stock
From
$317.77
Siemens
80
480
CC1B020
CC1B020
In Stock
From
$117.60
ITE
20
277
CC2B020
CC2B020
In Stock
From
$178.77
Siemens
20
480
CE2B030
CE2B030
In Stock
From
$76.62
Siemens
30
600
CE2B040
CE2B040
In Stock
From
$118.44
Siemens
40
600
CE3B020
CE3B020
In Stock
From
$371.94
Siemens
20
600
CE3B040
CE3B040
In Stock
From
$788.52
Siemens
40
600
CE3M070
CE3M070
In Stock
From
$1,725.03
Siemens
70
600
CF3B100
CF3B100
In Stock
From
$482.16
Siemens
100
600
CJT3B400
CJT3B400
In Stock
From
$1,323.49
Siemens
400
600
CLE63B015
CLE63B015
In Stock
From
$214.45
Siemens
15
600
CLE63B040
CLE63B040
In Stock
From
$589.89
Siemens
40
600
CLE63B060
CLE63B060
In Stock
From
$741.79
Siemens
60
600
CLE63B080
CLE63B080
In Stock
From
$583.36
Siemens
80
600
CLE63B090
CLE63B090
In Stock
From
$33.91
Siemens
90
600
CLE63B100
CLE63B100
In Stock
From
$680.53
Siemens
100
600
CLF63B070
CLF63B070
In Stock
From
$69.80
Siemens
70
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.