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
371D957G59
371D957G59
Limited Stock
From
Get Price
Westinghouse
125
600
371D957G60
371D957G60
Limited Stock
From
Get Price
Westinghouse
150
600
371D957G61
371D957G61
Limited Stock
From
Get Price
Westinghouse
175
600
371D957G62
371D957G62
Limited Stock
From
Get Price
Westinghouse
200
600
371D957G63
371D957G63
Limited Stock
From
Get Price
Westinghouse
225
600
504C336G23
504C336G23
Limited Stock
From
Get Price
Westinghouse
200
600
BAB3010
BAB3010
Limited Stock
From
Get Price
Eaton
10
240
BAB3010E
BAB3010E
Limited Stock
From
Get Price
Eaton
10
415
BAB3010V
BAB3010V
Limited Stock
From
Get Price
Eaton
10
240
BAB3015V
BAB3015V
Limited Stock
From
Get Price
Eaton
15
240
BAB3020V
BAB3020V
Limited Stock
From
Get Price
Eaton
20
240
BAB3025E
BAB3025E
Limited Stock
From
Get Price
Eaton
25
415
BAB3025V
BAB3025V
Limited Stock
From
Get Price
Eaton
25
240
BAB3030E
BAB3030E
Limited Stock
From
Get Price
Eaton
30
415
BAB3030V
BAB3030V
Limited Stock
From
Get Price
Eaton
30
240
BAB3035
BAB3035
Limited Stock
From
Get Price
Eaton
35
240
BAB3035HS1
BAB3035HS1
Limited Stock
From
Get Price
Eaton
35
240
BAB3035V
BAB3035V
Limited Stock
From
Get Price
Eaton
35
240
BAB3040V
BAB3040V
Limited Stock
From
Get Price
Eaton
40
240
BAB3045
BAB3045
Limited Stock
From
Get Price
Eaton
45
240
BAB3045V
BAB3045V
Limited Stock
From
Get Price
Eaton
45
240
BAB3050HE
BAB3050HE
Limited Stock
From
Get Price
Eaton
50
415
BAB3050V
BAB3050V
Limited Stock
From
Get Price
Eaton
50
240
BAB3055V
BAB3055V
Limited Stock
From
Get Price
Eaton
55
240
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.