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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
HFW3200JL
HFW3200JL
In Stock
From
$8,615.30
Westinghouse
200
690
HFWF3032L
HFWF3032L
In Stock
From
$907.66
Westinghouse
32
690
HJDDC3250F
HJDDC3250F
In Stock
From
$1,323.58
Eaton
250
600
HKD2200
HKD2200
In Stock
From
$2,395.19
Cutler Hammer
200
600
HKD2225
HKD2225
In Stock
From
$2,470.75
Westinghouse
225
600
HKD2350
HKD2350
In Stock
From
$2,594.27
Westinghouse
350
600
HKD2400F
HKD2400F
In Stock
From
$2,056.96
Westinghouse
400
600
HKDDC3350
HKDDC3350
In Stock
From
$4,460.41
Cutler Hammer
350
600
HKDDC3400W
HKDDC3400W
In Stock
From
$2,757.04
Eaton
400
600
HLD2500
HLD2500
In Stock
From
$2,314.99
Cutler Hammer
500
600
HLD3600F
HLD3600F
In Stock
From
$2,810.48
Eaton
600
600
HLDB3600FT33W
HLDB3600FT33W
In Stock
From
$4,164.08
Eaton
600
600
HMC3800F
HMC3800F
In Stock
From
$2,897.35
Westinghouse
800
600
HMCP100K3C
HMCP100K3C
In Stock
From
$897.00
Eaton
100
600
HMCP400X5W
HMCP400X5W
In Stock
From
$1,148.54
Eaton
400
600
HMCP600L6W
HMCP600L6W
In Stock
From
$3,565.54
Eaton
600
600
HMCP600Y6W
HMCP600Y6W
In Stock
From
$5,806.31
Eaton
800
600
HMDL2800
HMDL2800
In Stock
From
$4,113.31
Eaton
800
600
HMDLB3800T32W
HMDLB3800T32W
In Stock
From
$2,727.27
Westinghouse
800
600
HND312T106W
HND312T106W
In Stock
From
$11,815.66
Westinghouse
1200
600
HND312T33W
HND312T33W
In Stock
From
$6,665.52
Eaton
1200
600
HND312T36W
HND312T36W
In Stock
From
$12,024.54
Westinghouse
1200
600
HND312WK
HND312WK
In Stock
From
$3,235.76
Eaton
1200
600
HND3800T107W
HND3800T107W
In Stock
From
$6,331.22
Eaton
800
600
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.