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
PDG21F0045VFFK
PDG21F0045VFFK
Limited Stock
From
Get Price
Eaton
45
600
PDG21F0045VFFL
PDG21F0045VFFL
Limited Stock
From
Get Price
Cutler Hammer
45
600
PDG21F0045VFFN
PDG21F0045VFFN
Limited Stock
From
Get Price
Eaton
45
600
PDG21F0050TFFK
PDG21F0050TFFK
Limited Stock
From
Get Price
Eaton
50
600
PDG21F0050TFFN
PDG21F0050TFFN
Limited Stock
From
Get Price
Cutler Hammer
50
600
PDG21F0050VFFJ
PDG21F0050VFFJ
Limited Stock
From
Get Price
Eaton
50
600
PDG21F0050VFFK
PDG21F0050VFFK
Limited Stock
From
Get Price
Cutler Hammer
50
600
PDG21F0050VFFL
PDG21F0050VFFL
Limited Stock
From
Get Price
Cutler Hammer
50
600
PDG21F0050VFFN
PDG21F0050VFFN
Limited Stock
From
Get Price
Eaton
50
600
PDG21F0060TFFK
PDG21F0060TFFK
Limited Stock
From
Get Price
Eaton
60
600
PDG21F0060TFFN
PDG21F0060TFFN
Limited Stock
From
Get Price
Cutler Hammer
60
600
PDG21F0060VFFJ
PDG21F0060VFFJ
Limited Stock
From
Get Price
Cutler Hammer
60
600
PDG21F0060VFFK
PDG21F0060VFFK
Limited Stock
From
Get Price
Eaton
60
600
PDG21F0060VFFL
PDG21F0060VFFL
Limited Stock
From
Get Price
Cutler Hammer
60
600
PDG21F0060VFFN
PDG21F0060VFFN
Limited Stock
From
Get Price
Cutler Hammer
60
600
PDG21F0070TFFK
PDG21F0070TFFK
Limited Stock
From
Get Price
Eaton
70
600
PDG21F0070TFFL
PDG21F0070TFFL
Limited Stock
From
Get Price
Eaton
70
600
PDG21F0070TFFN
PDG21F0070TFFN
Limited Stock
From
Get Price
Eaton
70
600
PDG21F0070VFFJ
PDG21F0070VFFJ
Limited Stock
From
Get Price
Cutler Hammer
70
600
PDG21F0070VFFK
PDG21F0070VFFK
Limited Stock
From
Get Price
Cutler Hammer
70
600
PDG21F0070VFFL
PDG21F0070VFFL
Limited Stock
From
Get Price
Eaton
70
600
PDG21F0070VFFN
PDG21F0070VFFN
Limited Stock
From
Get Price
Cutler Hammer
70
600
PDG21F0080TFFK
PDG21F0080TFFK
Limited Stock
From
Get Price
Cutler Hammer
80
600
PDG21F0080TFFL
PDG21F0080TFFL
Limited Stock
From
Get Price
Cutler Hammer
80
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.