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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
PDG33M0400TFAL
PDG33M0400TFAL
In Stock
From
$3,885.88
Eaton
400
600
PDG33M0600FNNN
PDG33M0600FNNN
In Stock
From
$4,609.25
Cutler Hammer
600
600
PDG33M0600TFAJ
PDG33M0600TFAJ
In Stock
From
$4,859.88
Cutler Hammer
600
600
PDG33M0600TFAN
PDG33M0600TFAN
In Stock
From
$2,093.98
Eaton
600
600
PDG33P0400FNNN
PDG33P0400FNNN
In Stock
From
$3,962.40
Cutler Hammer
400
600
PDG43G0800FNNN
PDG43G0800FNNN
In Stock
From
$3,367.20
Eaton
800
600
PDG43M0800FNNN
PDG43M0800FNNN
In Stock
From
$8,400.00
Cutler Hammer
800
600
PDG53K1200E2MN
PDG53K1200E2MN
In Stock
From
$8,928.52
Eaton
1200
600
PDG53M1200E3MN
PDG53M1200E3MN
In Stock
From
$9,600.00
Eaton
1200
600
PDG53M1200E5RN
PDG53M1200E5RN
In Stock
From
$7,763.77
Eaton
1200
600
PDG53P0800E2NN
PDG53P0800E2NN
In Stock
From
$7,513.86
Eaton
800
600
PDG63M1600E4MN
PDG63M1600E4MN
In Stock
From
$5,460.00
Cutler Hammer
1600
600
PDG63M2000E4MN
PDG63M2000E4MN
In Stock
From
$5,670.00
Eaton
2000
600
PDG63M2500E5MN
PDG63M2500E5MN
In Stock
From
$25,000.00
Eaton
2500
600
PGA36060CU33A
PGA36060CU33A
In Stock
From
$6,985.40
Schneider Electric
600
600
PGA36060U31A
PGA36060U31A
In Stock
From
$3,368.87
Square D
600
600
PGA36060U43A
PGA36060U43A
In Stock
From
$6,985.40
Schneider Electric
600
600
PGA36080U31A
PGA36080U31A
In Stock
From
$5,517.72
Square D
800
600
PGA36080U33A
PGA36080U33A
In Stock
From
$4,716.34
Schneider Electric
800
600
PGL36040U33A
PGL36040U33A
In Stock
From
$6,843.04
Square D
400
600
PGL36060CU31A
PGL36060CU31A
In Stock
From
$6,783.79
Square D
600
600
PGL36060U33A
PGL36060U33A
In Stock
From
$2,380.00
Square D
600
600
PGL36080CU33A
PGL36080CU33A
In Stock
From
$12,610.30
Square D
800
600
PGL36080U31A
PGL36080U31A
In Stock
From
$4,209.17
Square D
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.