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
HDL26150
HDL26150
In Stock
From
$965.25
Square D
150
600
HDL36020
HDL36020
In Stock
From
$566.27
Square D
20
600
HDL36030
HDL36030
In Stock
From
$527.18
Schneider Electric
30
600
HDL36035
HDL36035
In Stock
From
$473.33
Square D
35
600
HDL36045
HDL36045
In Stock
From
$476.27
Square D
45
600
HDL36090
HDL36090
In Stock
From
$579.76
Schneider Electric
90
600
HJA36060U31X6
HJA36060U31X6
In Stock
From
$272.73
Square D
60
-
HJA36060U53XEH6
HJA36060U53XEH6
In Stock
From
$545.45
Square D
60
-
JJA36250U33XAA
JJA36250U33XAA
In Stock
From
$388.89
Square D
250
600
LC36350
LC36350
In Stock
From
$2,294.53
Square D
350
600
LC36450
LC36450
In Stock
From
$2,453.32
Square D
450
600
MJL36350
MJL36350
In Stock
From
$2,942.95
Square D
350
600
MJL36600
MJL36600
In Stock
From
$3,421.87
Square D
600
600
PKL36120CU31AAAUCMC
PKL36120CU31AAAUCMC
In Stock
From
$33,534.06
Square D
1200
600
QO240SWN35
QO240SWN35
In Stock
From
$50.79
Square D
40
500
BDA160153
BDA160153
In Stock
From
$359.68
Schneider Electric
15
600
BDA160155
BDA160155
In Stock
From
$343.11
Square D
15
600
BDA160205
BDA160205
In Stock
From
$232.00
Schneider Electric
20
600
BDA160251
BDA160251
In Stock
From
$561.18
Schneider Electric
25
600
BDA160301
BDA160301
In Stock
From
$327.41
Square D
30
600
BDA160303
BDA160303
In Stock
From
$378.55
Square D
30
600
BDA160305
BDA160305
In Stock
From
$359.68
Schneider Electric
30
600
BDA160401
BDA160401
In Stock
From
$389.68
Square D
40
600
BDA160403
BDA160403
In Stock
From
$313.50
Square D
40
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.