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
24683
24683
Limited Stock
From
Get Price
Merlin Gerin
3
440
24684
24684
Limited Stock
From
Get Price
Schneider Electric
4
440
24685
24685
Limited Stock
From
Get Price
Merlin Gerin
6
440
24686
24686
Limited Stock
From
Get Price
Square D
10
440
24688
24688
Limited Stock
From
Get Price
Merlin Gerin
16
440
24689
24689
Limited Stock
From
Get Price
Merlin Gerin
20
440
24691
24691
Limited Stock
From
Get Price
Square D
32
440
24694
24694
Limited Stock
From
Get Price
Schneider Electric
63
440
25007
25007
Limited Stock
From
Get Price
Merlin Gerin
1
440
25008
25008
Limited Stock
From
Get Price
Merlin Gerin
2
440
25010
25010
Limited Stock
From
Get Price
Merlin Gerin
4
440
25013
25013
Limited Stock
From
Get Price
Merlin Gerin
16
440
25016
25016
Limited Stock
From
Get Price
Merlin Gerin
32
440
25017
25017
Limited Stock
From
Get Price
Merlin Gerin
40
440
25018
25018
Limited Stock
From
Get Price
Merlin Gerin
50
440
25019
25019
Limited Stock
From
Get Price
Schneider Electric
63
440
25212
25212
Limited Stock
From
Get Price
Schneider Electric
2
440
25214
25214
Limited Stock
From
Get Price
Merlin Gerin
4
440
25215
25215
Limited Stock
From
Get Price
Merlin Gerin
6
440
25216
25216
Limited Stock
From
Get Price
Merlin Gerin
10
440
25217
25217
Limited Stock
From
Get Price
Merlin Gerin
16
440
25218
25218
Limited Stock
From
Get Price
Merlin Gerin
20
440
25219
25219
Limited Stock
From
Get Price
Schneider Electric
25
440
25220
25220
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.