1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
A9D42610
A9D42610
Limited Stock
From
Get Price
Schneider Electric
-
-
A9D56820
A9D56820
Limited Stock
From
Get Price
Schneider Electric
-
-
A9D56832
A9D56832
Limited Stock
From
Get Price
Schneider Electric
-
-
A9N19814
A9N19814
In Stock
From
Get Price
Schneider Electric
80
400
FAB22015AB
FAB22015AB
In Stock
From
$172.27
Square D
15
240
FAB26070AC
FAB26070AC
In Stock
From
$529.10
Square D
-
-
FH26015CA
FH26015CA
In Stock
From
$76.18
Square D
15
600
LA36400MT1021
LA36400MT1021
In Stock
From
$1,474.72
Square D
400
600
LJA36600U31XYP
LJA36600U31XYP
In Stock
From
$3,636.36
Square D
-
-
LV429221
LV429221
Limited Stock
From
Get Price
Schneider Electric
-
-
MG25453
MG25453
Limited Stock
From
Get Price
Schneider Electric
-
-
MG25523
MG25523
Limited Stock
From
Get Price
Schneider Electric
-
-
MG25524
MG25524
Limited Stock
From
Get Price
Schneider Electric
-
-
MG26158
MG26158
Limited Stock
From
Get Price
Schneider Electric
-
-
MG26161
MG26161
Limited Stock
From
Get Price
Schneider Electric
-
-
MG26166
MG26166
Limited Stock
From
Get Price
Schneider Electric
-
-
MG26277
MG26277
Limited Stock
From
Get Price
Schneider Electric
-
-
MG26542
MG26542
In Stock
From
$158.13
Schneider Electric
-
-
MG26547
MG26547
In Stock
From
$521.06
Schneider Electric
-
-
MG26556
MG26556
In Stock
From
$247.92
Schneider Electric
-
-
MG26581
MG26581
In Stock
From
$211.15
Schneider Electric
-
-
MG26584
MG26584
Limited Stock
From
Get Price
Schneider Electric
-
-
MG26614
MG26614
Limited Stock
From
Get Price
Schneider Electric
-
-
MG26646
MG26646
Limited Stock
From
Get Price
Schneider Electric
-
-
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.