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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
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
HMCP100R3CB3
HMCP100R3CB3
In Stock
From
$547.37
Eaton
-
-
KS320400A
KS320400A
In Stock
From
$300.51
Cutler Hammer
400
240
NZMB1-AF125-NA
NZMB1-AF125-NA
In Stock
From
$1,623.37
Eaton
125
480
NZMB2-S2.4-BT-CNA
NZMB2-S2.4-BT-CNA
In Stock
From
$890.62
Klockner Moeller
2.4
600
NZMH2-A125-NA
NZMH2-A125-NA
In Stock
From
$3,006.15
Klockner Moeller
125
600
NZMN1-M100
NZMN1-M100
In Stock
From
$1,173.09
Klockner Moeller
100
690
NZMN2-AF150-NA
NZMN2-AF150-NA
Limited Stock
From
Get Price
Eaton
150
600
NZMN2-AF200-NA
NZMN2-AF200-NA
Limited Stock
From
Get Price
Klockner Moeller
200
600
NZMN2-AF250-NA
NZMN2-AF250-NA
Limited Stock
From
Get Price
Eaton
250
600
PDG22F0175TFFJ
PDG22F0175TFFJ
In Stock
From
$805.43
Eaton
175
600
PDG22F0200TFFJ
PDG22F0200TFFJ
In Stock
From
$825.34
Eaton
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.