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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
HND3800T32W
HND3800T32W
In Stock
From
$3,592.15
Eaton
800
600
HND3800T36W
HND3800T36W
In Stock
From
$5,168.58
Eaton
800
600
HND3800T52W
HND3800T52W
In Stock
From
$5,364.82
Westinghouse
800
600
HND3800T56W
HND3800T56W
In Stock
From
$5,777.99
Cutler Hammer
800
600
JA3200W
JA3200W
In Stock
From
$525.80
Cutler Hammer
200
600
JA3225
JA3225
In Stock
From
$421.17
Westinghouse
225
600
JD2070
JD2070
In Stock
From
$1,144.17
Westinghouse
70
600
JD2090
JD2090
In Stock
From
$352.70
Cutler Hammer
90
600
JD2100
JD2100
In Stock
From
$958.60
Eaton
100
600
JD2175
JD2175
In Stock
From
$1,142.89
Cutler Hammer
175
600
JD2200
JD2200
In Stock
From
$996.16
Cutler Hammer
200
600
JD2225
JD2225
In Stock
From
$1,662.13
Westinghouse
225
600
JD2250
JD2250
In Stock
From
$237.99
Eaton
250
600
JDB2070
JDB2070
In Stock
From
$1,194.37
Westinghouse
70
600
JDB2070W
JDB2070W
In Stock
From
Get Price
Cutler Hammer
70
600
JDB2100
JDB2100
In Stock
From
Get Price
Eaton
100
600
JDB2100W
JDB2100W
In Stock
From
Get Price
Cutler Hammer
100
600
JDB2125
JDB2125
In Stock
From
$707.81
Eaton
125
600
JDB2125W
JDB2125W
In Stock
From
$978.20
Westinghouse
125
600
JDB2150
JDB2150
In Stock
From
$1,019.30
Westinghouse
150
600
JDB2150W
JDB2150W
In Stock
From
Get Price
Cutler Hammer
150
600
JDB2175
JDB2175
In Stock
From
$1,142.89
Cutler Hammer
175
600
JDB2175W
JDB2175W
In Stock
From
$850.51
Westinghouse
175
600
JDB2200
JDB2200
In Stock
From
$1,041.45
Westinghouse
200
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.