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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
PAF362500
PAF362500
In Stock
From
$6,519.39
Square D
2500
600
PAL361000G
PAL361000G
In Stock
From
$4,381.68
Square D
1000
600
PAL362000G
PAL362000G
In Stock
From
$4,443.78
Square D
2000
600
PAL36800
PAL36800
In Stock
From
$8,754.48
Square D
800
600
PCF2536
PCF2536
In Stock
From
$12,348.24
Square D
2500
600
PCF2536-2500A
PCF2536-2500A
In Stock
From
$3,162.74
Square D
2500
600
PCP361200
PCP361200
In Stock
From
$7,466.34
Square D
1200
600
PEC1636LSI
PEC1636LSI
In Stock
From
$6,531.89
Square D
1600
600
PEC1636LSIG
PEC1636LSIG
In Stock
From
$6,531.89
Square D
1600
600
PEC2036LIG
PEC2036LIG
In Stock
From
$14,158.99
Square D
2000
600
PEF361200LSG
PEF361200LSG
In Stock
From
$15,180.00
Square D
1200
600
PEF361600LI
PEF361600LI
In Stock
From
$11,049.11
Square D
1600
600
PGA36025U31A
PGA36025U31A
In Stock
From
$3,440.33
Square D
250
600
PGA36025U33A
PGA36025U33A
In Stock
From
$9,514.79
Square D
250
600
PGA36040CU31A
PGA36040CU31A
In Stock
From
$2,931.56
Schneider Electric
400
600
PGA36040U33A
PGA36040U33A
In Stock
From
$3,482.03
Square D
400
600
PGA36040U43A
PGA36040U43A
In Stock
From
$5,120.63
Square D
400
600
PGA36060U33A
PGA36060U33A
Limited Stock
From
Get Price
Square D
600
600
PGA36060U44A
PGA36060U44A
In Stock
From
$14,964.00
Schneider Electric
600
600
PGA36080CU31A
PGA36080CU31A
In Stock
From
Get Price
Square D
800
600
PGA36080CU33A
PGA36080CU33A
In Stock
From
$8,108.16
Schneider Electric
800
600
PGA36080U44A
PGA36080U44A
In Stock
From
$8,608.28
Square D
800
600
PGA36100U43A
PGA36100U43A
In Stock
From
$8,572.78
Schneider Electric
1000
600
PGA36100U44A
PGA36100U44A
In Stock
From
$9,319.98
Schneider Electric
1000
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.