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
HE2M100
HE2M100
Limited Stock
From
Get Price
Siemens
100
480
HE2M100L
HE2M100L
Limited Stock
From
Get Price
Siemens
100
480
HE3A003FP
HE3A003FP
Limited Stock
From
Get Price
ITE
3
480
HE3A005FP
HE3A005FP
Limited Stock
From
Get Price
Siemens
5
480
HE3A010FP
HE3A010FP
Limited Stock
From
Get Price
Siemens
10
480
HE3A015FP
HE3A015FP
Limited Stock
From
Get Price
Siemens
15
480
HE3A050
HE3A050
Limited Stock
From
Get Price
Siemens
50
480
HE3B125
HE3B125
Limited Stock
From
Get Price
ITE
125
480
HE3H003
HE3H003
Limited Stock
From
Get Price
ITE
3
480
HE3H003L
HE3H003L
Limited Stock
From
Get Price
ITE
3
480
HE3H005
HE3H005
Limited Stock
From
Get Price
Siemens
5
480
HE3H005L
HE3H005L
Limited Stock
From
Get Price
ITE
5
480
HE3H010
HE3H010
Limited Stock
From
Get Price
Siemens
10
480
HE3H010L
HE3H010L
Limited Stock
From
Get Price
Siemens
10
480
HE3H015
HE3H015
Limited Stock
From
Get Price
ITE
15
480
HE3H015L
HE3H015L
Limited Stock
From
Get Price
Siemens
15
480
HE3H020
HE3H020
Limited Stock
From
Get Price
Siemens
20
480
HE3H020L
HE3H020L
Limited Stock
From
Get Price
ITE
20
480
HE3H025
HE3H025
Limited Stock
From
Get Price
ITE
25
480
HE3H025L
HE3H025L
Limited Stock
From
Get Price
ITE
25
480
HE3H030
HE3H030
Limited Stock
From
Get Price
Siemens
30
480
HE3H030L
HE3H030L
Limited Stock
From
Get Price
ITE
30
480
HE3H035
HE3H035
Limited Stock
From
Get Price
Siemens
35
480
HE3H035L
HE3H035L
Limited Stock
From
Get Price
Siemens
35
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.