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
QC2060S
QC2060S
Limited Stock
From
Get Price
Cutler Hammer
60
240
QC2070S
QC2070S
Limited Stock
From
Get Price
Cutler Hammer
70
240
QC2080S
QC2080S
Limited Stock
From
Get Price
Cutler Hammer
80
240
QC2090S
QC2090S
Limited Stock
From
Get Price
Cutler Hammer
90
240
QC4015HEH
QC4015HEH
Limited Stock
From
Get Price
Westinghouse
15
240
QC4020HEH
QC4020HEH
Limited Stock
From
Get Price
Westinghouse
20
240
QC4030HEH
QC4030HEH
Limited Stock
From
Get Price
Westinghouse
30
240
QC4040HEH
QC4040HEH
Limited Stock
From
Get Price
Westinghouse
40
240
QC4050HEH
QC4050HEH
Limited Stock
From
Get Price
Cutler Hammer
50
240
QCAL025
QCAL025
Limited Stock
From
Get Price
Zinsco
25
240
QCAL035
QCAL035
Limited Stock
From
Get Price
Zinsco
35
240
QCAL220
QCAL220
Limited Stock
From
Get Price
Zinsco
20
240
QCAL230
QCAL230
Limited Stock
From
Get Price
Sylvania
30
240
QCF2025HT
QCF2025HT
Limited Stock
From
Get Price
Cutler Hammer
25
240
QCF2025T
QCF2025T
Limited Stock
From
Get Price
Cutler Hammer
25
240
QCGF2015T
QCGF2015T
Limited Stock
From
Get Price
Cutler Hammer
15
240
QCGF2025T
QCGF2025T
Limited Stock
From
Get Price
Cutler Hammer
25
240
QCGF2035T
QCGF2035T
Limited Stock
From
Get Price
Cutler Hammer
35
240
QCGF2040T
QCGF2040T
Limited Stock
From
Get Price
Cutler Hammer
40
240
QCGF2050T
QCGF2050T
Limited Stock
From
Get Price
Cutler Hammer
50
240
QCGF2050W1
QCGF2050W1
Limited Stock
From
Get Price
Cutler Hammer
50
240
QCGFEP1015W1
QCGFEP1015W1
Limited Stock
From
Get Price
Cutler Hammer
15
120
QCGFT1020W1
QCGFT1020W1
Limited Stock
From
Get Price
Cutler Hammer
20
120
QCGFT1020W2
QCGFT1020W2
Limited Stock
From
Get Price
Cutler Hammer
20
120
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.