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
NFNFE46000F16
NFNFE46000F16
Limited Stock
From
Get Price
Schneider Electric
160
600
NFNFE46000F25
NFNFE46000F25
Limited Stock
From
Get Price
Schneider Electric
250
600
17461
17461
Limited Stock
From
Get Price
Merlin Gerin
15
480
17469
17469
Limited Stock
From
Get Price
Merlin Gerin
60
480
18394
18394
Limited Stock
From
Get Price
Merlin Gerin
10
440
18395
18395
Limited Stock
From
Get Price
Merlin Gerin
16
440
18396
18396
Limited Stock
From
Get Price
Merlin Gerin
20
440
18397
18397
Limited Stock
From
Get Price
Merlin Gerin
25
440
18398
18398
Limited Stock
From
Get Price
Merlin Gerin
32
440
18399
18399
Limited Stock
From
Get Price
Merlin Gerin
40
440
18400
18400
Limited Stock
From
Get Price
Merlin Gerin
50
440
18401
18401
Limited Stock
From
Get Price
Merlin Gerin
63
440
18402
18402
Limited Stock
From
Get Price
Merlin Gerin
80
440
18403
18403
Limited Stock
From
Get Price
Merlin Gerin
100
440
18405
18405
Limited Stock
From
Get Price
Merlin Gerin
10
440
18407
18407
Limited Stock
From
Get Price
Merlin Gerin
20
440
18408
18408
Limited Stock
From
Get Price
Merlin Gerin
25
440
18409
18409
Limited Stock
From
Get Price
Merlin Gerin
32
440
18410
18410
Limited Stock
From
Get Price
Merlin Gerin
40
440
18411
18411
Limited Stock
From
Get Price
Merlin Gerin
50
440
18413
18413
Limited Stock
From
Get Price
Merlin Gerin
80
440
18415
18415
Limited Stock
From
Get Price
Merlin Gerin
125
440
18441
18441
Limited Stock
From
Get Price
Merlin Gerin
25
440
18442
18442
Limited Stock
From
Get Price
Merlin Gerin
32
440
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.