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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
NENL34060
NENL34060
In Stock
From
$343.14
Schneider Electric
60
480
NENL34070
NENL34070
In Stock
From
$415.76
Square D
70
480
NENL34080
NENL34080
In Stock
From
$291.46
Merlin Gerin
80
480
NENL34100
NENL34100
In Stock
From
$584.07
Merlin Gerin
100
480
NFHF36100
NFHF36100
In Stock
From
$1,318.85
Square D
100
600
NFHF36125
NFHF36125
In Stock
From
$1,590.10
Schneider Electric
125
600
NFHF36150
NFHF36150
In Stock
From
$2,409.56
Merlin Gerin
150
600
NFHF36175
NFHF36175
In Stock
From
Get Price
Square D
175
600
NFHF36225
NFHF36225
In Stock
From
$2,445.11
Merlin Gerin
225
600
NFHL36015
NFHL36015
In Stock
From
$770.77
Merlin Gerin
15
600
NFHL36060
NFHL36060
In Stock
From
$878.42
Merlin Gerin
60
600
NFHL36090
NFHL36090
In Stock
From
$1,030.61
Merlin Gerin
90
600
NFHL36100
NFHL36100
In Stock
From
$813.48
Schneider Electric
100
600
NFHL36125
NFHL36125
In Stock
From
$720.59
Merlin Gerin
125
600
NFHL36150
NFHL36150
In Stock
From
$1,565.97
Merlin Gerin
150
600
NFHL36175
NFHL36175
In Stock
From
Get Price
Square D
175
600
NFHL36200
NFHL36200
In Stock
From
$1,608.31
Merlin Gerin
200
600
NFHL36225
NFHL36225
In Stock
From
$1,911.96
Schneider Electric
225
600
NFHL36250
NFHL36250
In Stock
From
$3,580.15
Schneider Electric
250
600
NFNF36030
NFNF36030
Limited Stock
From
Get Price
Merlin Gerin
30
600
NFNF36060
NFNF36060
In Stock
From
$761.04
Merlin Gerin
60
600
NFNF36070
NFNF36070
In Stock
From
$684.94
Merlin Gerin
70
600
NFNF36100
NFNF36100
In Stock
From
$570.56
Merlin Gerin
100
600
NFNF36125
NFNF36125
In Stock
From
$1,638.12
Merlin Gerin
125
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.