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
EHB1035SL
EHB1035SL
Limited Stock
From
Get Price
Westinghouse
35
277
EHB1040S
EHB1040S
Limited Stock
From
Get Price
Westinghouse
40
277
EHB1040SL
EHB1040SL
Limited Stock
From
Get Price
Westinghouse
40
277
EHB1045S
EHB1045S
Limited Stock
From
Get Price
Westinghouse
45
277
EHB1045SL
EHB1045SL
Limited Stock
From
Get Price
Westinghouse
45
277
EHB3100SLK
EHB3100SLK
Limited Stock
From
Get Price
Westinghouse
100
480
EHD1010BP10
EHD1010BP10
Limited Stock
From
Get Price
Eaton
10
277
EHD1045BP10
EHD1045BP10
Limited Stock
From
Get Price
Eaton
45
277
EHD1060BP10
EHD1060BP10
Limited Stock
From
Get Price
Eaton
60
277
EHD3010V
EHD3010V
Limited Stock
From
Get Price
Westinghouse
10
480
ELFD4035L
ELFD4035L
Limited Stock
From
Get Price
Westinghouse
35
480
ELFD4040L
ELFD4040L
Limited Stock
From
Get Price
Westinghouse
40
480
ELFD4050L
ELFD4050L
Limited Stock
From
Get Price
Westinghouse
50
480
ELFD4060
ELFD4060
Limited Stock
From
Get Price
Cutler Hammer
60
480
ELFD4070L
ELFD4070L
Limited Stock
From
Get Price
Cutler Hammer
70
480
ELFD4080L
ELFD4080L
Limited Stock
From
Get Price
Eaton
80
480
ELFD4090L
ELFD4090L
Limited Stock
From
Get Price
Cutler Hammer
90
480
ELFD4100L
ELFD4100L
Limited Stock
From
Get Price
Eaton
100
480
ELFDC3015L
ELFDC3015L
Limited Stock
From
Get Price
Westinghouse
15
480
ELFDC3020L
ELFDC3020L
Limited Stock
From
Get Price
Eaton
20
480
ELFDC3025L
ELFDC3025L
Limited Stock
From
Get Price
Westinghouse
25
480
ELFDC3030L
ELFDC3030L
Limited Stock
From
Get Price
Cutler Hammer
30
480
ELFW4080L
ELFW4080L
Limited Stock
From
Get Price
Cutler Hammer
80
690
ELFW4100L
ELFW4100L
Limited Stock
From
Get Price
Eaton
100
690
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.