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
HFDDC3015
HFDDC3015
Limited Stock
From
Get Price
Eaton
15
600
HMCP003C0C
HMCP003C0C
Limited Stock
From
Get Price
Eaton
3
-
HMCP003E0C
HMCP003E0C
Limited Stock
From
Get Price
Eaton
3
-
HMCP100T4C
HMCP100T4C
Limited Stock
From
Get Price
Eaton
100
-
HMCPS015E0S
HMCPS015E0S
Limited Stock
From
Get Price
Eaton
15
-
JGMPS100WA3D15Y2
JGMPS100WA3D15Y2
Limited Stock
From
Get Price
Eaton
-
690
KDB2400M01S09Y07
KDB2400M01S09Y07
Limited Stock
From
Get Price
Eaton
-
-
KPEK34
KPEK34
Limited Stock
From
Get Price
Eaton
-
-
MBT48B200BTSBL
MBT48B200BTSBL
Limited Stock
From
Get Price
Eaton
-
-
NQB-L103
NQB-L103
Limited Stock
From
Get Price
Eaton
-
500
PKZM4-32-CB
PKZM4-32-CB
Limited Stock
From
Get Price
Eaton
-
690
QC2015D
QC2015D
Limited Stock
From
Get Price
Cutler Hammer
15
240
QC2020D
QC2020D
Limited Stock
From
Get Price
Cutler Hammer
20
240
QC2025D
QC2025D
Limited Stock
From
Get Price
Cutler Hammer
25
240
QC2035D
QC2035D
Limited Stock
From
Get Price
Cutler Hammer
35
240
QC2050D
QC2050D
Limited Stock
From
Get Price
Cutler Hammer
50
240
QC2060D
QC2060D
Limited Stock
From
Get Price
Cutler Hammer
60
240
RGH320039EC
RGH320039EC
Limited Stock
From
Get Price
Eaton
2000
-
SPECIAL542
SPECIAL542
Limited Stock
From
Get Price
Eaton
-
-
SPHM3RM07R5
SPHM3RM07R5
Limited Stock
From
Get Price
Eaton
-
-
SPHM3YL0030
SPHM3YL0030
Limited Stock
From
Get Price
Eaton
-
-
T0-2-1/EA/SVB-NA
T0-2-1/EA/SVB-NA
Limited Stock
From
Get Price
Eaton
-
690
1230C83G11
1230C83G11
Limited Stock
From
Get Price
Eaton
400
500
1230C83G13
1230C83G13
Limited Stock
From
Get Price
Eaton
400
500
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.