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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
HFD4050LBP10
HFD4050LBP10
In Stock
From
$481.94
Eaton
50
600
HFD4060LBP10
HFD4060LBP10
In Stock
From
$1,254.25
Eaton
60
600
HFD4070LBP10
HFD4070LBP10
In Stock
From
$546.46
Eaton
70
600
HFD4080LBP10
HFD4080LBP10
In Stock
From
$3,463.92
Eaton
80
600
HFD4090LBP10
HFD4090LBP10
In Stock
From
$525.36
Eaton
90
600
HFD4100LBP10
HFD4100LBP10
In Stock
From
$2,399.77
Eaton
100
600
HFD4110LBP10
HFD4110LBP10
In Stock
From
$1,979.07
Eaton
110
600
HFD4125LBP10
HFD4125LBP10
In Stock
From
$2,772.83
Eaton
125
600
HFD4150LBP10
HFD4150LBP10
In Stock
From
$3,387.95
Eaton
150
600
HFD4175LBP10
HFD4175LBP10
In Stock
From
$1,991.76
Eaton
175
600
HFD4200LBP10
HFD4200LBP10
In Stock
From
$2,209.50
Eaton
200
600
HFD4225LBP10
HFD4225LBP10
In Stock
From
$2,811.08
Eaton
225
600
HFDDC3070LBP10
HFDDC3070LBP10
In Stock
From
$4,807.61
Eaton
70
600
HFDDC3125LBP10
HFDDC3125LBP10
In Stock
From
$1,093.03
Eaton
125
600
HKL3200
HKL3200
In Stock
From
$2,168.01
Westinghouse
200
600
HKL3225
HKL3225
Limited Stock
From
Get Price
Westinghouse
225
600
HKL3250
HKL3250
In Stock
From
$120.61
Westinghouse
250
600
HKL3350
HKL3350
In Stock
From
$83.76
Westinghouse
350
600
HKL3400F
HKL3400F
In Stock
From
$491.30
Westinghouse
400
600
HLM31000
HLM31000
In Stock
From
$1,282.81
Westinghouse
1000
600
HLM3500
HLM3500
In Stock
From
$13.49
Westinghouse
500
600
HLM3600
HLM3600
In Stock
From
$2,719.57
Cutler Hammer
600
600
HLM3800
HLM3800
In Stock
From
$820.51
Westinghouse
800
600
J2070
J2070
In Stock
From
$378.10
Westinghouse
70
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.