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
FXD63B125L
FXD63B125L
In Stock
From
$590.32
Siemens
125
600
FXD63M175
FXD63M175
In Stock
From
$2,041.51
Siemens
175
600
FXD63S250L
FXD63S250L
In Stock
From
$720.28
Siemens
250
600
HB1B020
HB1B020
In Stock
From
$17.18
Siemens
20
120
HB1B030
HB1B030
In Stock
From
$61.23
Siemens
30
120
HB2B090
HB2B090
In Stock
From
$226.48
Siemens
90
240
HB3B020HH
HB3B020HH
In Stock
From
$150.39
Siemens
20
240
HB3B030HH
HB3B030HH
In Stock
From
$51.30
Siemens
30
240
HB3B040HH
HB3B040HH
In Stock
From
$183.10
Siemens
40
240
HB3B060HH
HB3B060HH
In Stock
From
$111.88
Siemens
60
240
HDX3B050
HDX3B050
Limited Stock
From
Get Price
Siemens
50
600
HDX3B060
HDX3B060
In Stock
From
$309.89
Siemens
60
600
HDX3B060L
HDX3B060L
In Stock
From
$914.70
Siemens
60
600
HE2A003L
HE2A003L
In Stock
From
$454.46
ITE
3
480
HE2A005
HE2A005
In Stock
From
$401.06
Siemens
5
480
HE2A005L
HE2A005L
In Stock
From
$455.06
ITE
5
480
HE2A010
HE2A010
In Stock
From
$727.17
ITE
10
480
HE2A010L
HE2A010L
In Stock
From
$1,025.16
Siemens
10
480
HE2A015L
HE2A015L
In Stock
From
$399.86
Siemens
15
480
HE2A020
HE2A020
In Stock
From
$401.02
ITE
20
480
HE2A020L
HE2A020L
In Stock
From
$718.21
ITE
20
480
HE2A025
HE2A025
In Stock
From
$398.35
ITE
25
480
HE2A025L
HE2A025L
In Stock
From
$928.93
ITE
25
480
HE2A030
HE2A030
In Stock
From
$652.63
ITE
30
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.