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
HB2-B0-24-620-BC2-DC
HB2-B0-24-620-BC2-DC
Limited Stock
From
Get Price
Carling Technologies
HD147U
HD147U
Limited Stock
From
Get Price
Hager
HD149U
HD149U
Limited Stock
From
Get Price
Hager
HDMCB-3C16
HDMCB-3C16
Limited Stock
From
Get Price
Protek
HH83XB400-B
HH83XB400-B
Limited Stock
From
Get Price
Sensata Technologies
HH83XB454
HH83XB454
Limited Stock
From
Get Price
United Technologies
HOM120PDFC
HOM120PDFC
Limited Stock
From
Get Price
Schneider Electric
HQP2030BV
HQP2030BV
Limited Stock
From
Get Price
Eaton
IAGN6-1-52-15.0
IAGN6-1-52-15.0
Limited Stock
From
Get Price
Sensata Technologies
IALHK12-1REC5R-39154-30
IALHK12-1REC5R-39154-30
Limited Stock
From
Get Price
Sensata Technologies
IC60NC6A
IC60NC6A
Limited Stock
From
Get Price
Schneider Electric
ICU6
ICU6
Limited Stock
From
Get Price
Abl Sursum
IEG1-1-63-2.50-01-V
IEG1-1-63-2.50-01-V
Limited Stock
From
Get Price
Sensata Technologies
IEG266-22432-1
IEG266-22432-1
Limited Stock
From
Get Price
Sensata Technologies
IEG6-1-52-50.0-01-V
IEG6-1-52-50.0-01-V
Limited Stock
From
Get Price
Sensata Technologies
IEGF6-35459-20-V
IEGF6-35459-20-V
Limited Stock
From
Get Price
Sensata Technologies
IEGF66-29481-1-V
IEGF66-29481-1-V
Limited Stock
From
Get Price
Sensata Technologies
IELHK11-1-72-15.0-01-V
IELHK11-1-72-15.0-01-V
Limited Stock
From
Get Price
Sensata Technologies
IELHK11-1-72-30.0-01-V
IELHK11-1-72-30.0-01-V
Limited Stock
From
Get Price
Sensata Technologies
IELHK11-1REC5-62-20.0-C-01-V
IELHK11-1REC5-62-20.0-C-01-V
Limited Stock
From
Get Price
Sensata Technologies
IELHR11-1-62-7.00-01-V
IELHR11-1-62-7.00-01-V
Limited Stock
From
Get Price
Sensata Technologies
IELK1-33195-13
IELK1-33195-13
Limited Stock
From
Get Price
Sensata Technologies
IMM16-2P5A
IMM16-2P5A
Limited Stock
From
Get Price
FMX
IMM32-032A
IMM32-032A
Limited Stock
From
Get Price
FMX
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.