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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
BJA160201
BJA160201
In Stock
From
$310.30
Square D
20
600
BJA160205
BJA160205
In Stock
From
$344.91
Square D
20
600
BJA160403
BJA160403
In Stock
From
$536.92
Schneider Electric
40
600
BJA160501
BJA160501
In Stock
From
$356.83
Square D
50
600
BJA260301
BJA260301
In Stock
From
$1,279.67
Schneider Electric
30
600
BJL16100
BJL16100
In Stock
From
$400.27
Square D
100
600
BJL36020
BJL36020
In Stock
From
$960.67
Square D
20
600
BJL36035
BJL36035
In Stock
From
$1,096.73
Schneider Electric
35
600
BJL36050
BJL36050
In Stock
From
$1,095.70
Schneider Electric
50
600
BJL36060
BJL36060
In Stock
From
$1,353.82
Schneider Electric
60
600
BJL36070
BJL36070
In Stock
From
$944.07
Square D
70
600
BJL36080
BJL36080
In Stock
From
$1,148.13
Schneider Electric
80
600
BJL36100
BJL36100
In Stock
From
$1,471.14
Square D
100
600
BJL36125
BJL36125
In Stock
From
$1,622.92
Schneider Electric
125
600
C500
C500
In Stock
From
$0.82
Merlin Gerin
500
690
ECB14015G3
ECB14015G3
In Stock
From
$247.00
Square D
15
480
ECB24030G3
ECB24030G3
In Stock
From
$316.68
Square D
30
480
ECB34020G3
ECB34020G3
In Stock
From
$503.10
Square D
20
480
EDB14030EPDBA
EDB14030EPDBA
In Stock
From
$396.33
Square D
30
277
EGB34020SA
EGB34020SA
In Stock
From
$766.24
Square D
20
480
EGB36050
EGB36050
In Stock
From
$1,029.15
Schneider Electric
50
480
EGB36060
EGB36060
In Stock
From
$1,130.49
Schneider Electric
60
480
EGB36080
EGB36080
In Stock
From
$1,658.69
Schneider Electric
80
480
EGB36090
EGB36090
In Stock
From
$365.83
Square D
90
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.