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
MP220240
MP220240
Limited Stock
From
Get Price
Murray Corporation
40
240
MP220250
MP220250
Limited Stock
From
Get Price
Murray Corporation
50
240
MP220AFCH
MP220AFCH
Limited Stock
From
Get Price
Murray Corporation
20
240
MP230240
MP230240
Limited Stock
From
Get Price
Murray Corporation
40
240
MP230250
MP230250
Limited Stock
From
Get Price
Murray Corporation
50
240
MP250215CT2
MP250215CT2
Limited Stock
From
Get Price
Murray Corporation
50
240
MPA115AFH
MPA115AFH
Limited Stock
From
Get Price
Murray Corporation
15
120
MPA120AFCH
MPA120AFCH
Limited Stock
From
Get Price
Murray Corporation
20
120
MPA120AFH
MPA120AFH
Limited Stock
From
Get Price
Murray Corporation
20
120
MPD2150RHB
MPD2150RHB
Limited Stock
From
Get Price
Murray Corporation
150
240
MPD2175RHB
MPD2175RHB
Limited Stock
From
Get Price
Murray Corporation
175
240
MPD2200RHB
MPD2200RHB
Limited Stock
From
Get Price
Murray Corporation
200
240
MPP2100KP
MPP2100KP
Limited Stock
From
Get Price
Murray Corporation
100
240
MPP2125HND
MPP2125HND
Limited Stock
From
Get Price
Murray Corporation
125
240
MPP2150HND
MPP2150HND
Limited Stock
From
Get Price
Murray Corporation
150
240
MPP2175HND
MPP2175HND
Limited Stock
From
Get Price
Murray Corporation
175
240
MPP2200HND
MPP2200HND
Limited Stock
From
Get Price
Murray Corporation
200
240
MPP2225HND
MPP2225HND
Limited Stock
From
Get Price
Murray Corporation
225
240
MP215AS
MP215AS
Limited Stock
From
Get Price
Murray Corporation
15
240
MP215F
MP215F
Limited Stock
From
Get Price
Murray Corporation
15
240
MP215HID
MP215HID
Limited Stock
From
Get Price
Murray Corporation
15
240
MP215M
MP215M
Limited Stock
From
Get Price
Murray Corporation
15
240
MP215ST
MP215ST
Limited Stock
From
Get Price
Murray Corporation
15
240
MP215ST24V
MP215ST24V
Limited Stock
From
Get Price
Murray Corporation
15
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.