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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
PGL36080
PGL36080
In Stock
From
$15,640.00
Schneider Electric
800
600
PGL36100
PGL36100
In Stock
From
$6,042.52
Square D
1000
600
PGL36120
PGL36120
In Stock
From
$10,519.20
Square D
1200
600
PJA36025U31A
PJA36025U31A
In Stock
From
$4,494.59
Square D
250
600
PJA36040U33A
PJA36040U33A
In Stock
From
$13,759.52
Square D
400
600
PJA36060U44A
PJA36060U44A
In Stock
From
$13,320.00
Schneider Electric
600
600
PJA36080
PJA36080
In Stock
From
$8,820.99
Square D
800
600
PJA36080U31A
PJA36080U31A
In Stock
From
$7,608.54
Schneider Electric
800
600
PJA36080U33A
PJA36080U33A
In Stock
From
$6,655.90
Schneider Electric
800
600
PJA36100U33A
PJA36100U33A
In Stock
From
$14,780.75
Square D
1000
600
PJA36120U33A
PJA36120U33A
In Stock
From
$12,309.49
Schneider Electric
1200
600
PJA36120U44A
PJA36120U44A
In Stock
From
$10,801.07
Schneider Electric
1200
600
QBA221001
QBA221001
In Stock
From
$469.30
Square D
100
240
QBA221501
QBA221501
In Stock
From
$464.47
Square D
150
240
QBA32070
QBA32070
In Stock
From
$1,031.60
Square D
70
240
QBA32110
QBA32110
In Stock
From
$1,015.57
Square D
110
240
QBA32125
QBA32125
In Stock
From
$463.04
Square D
125
240
QBA32175
QBA32175
In Stock
From
$586.03
Square D
175
240
QOB330
QOB330
In Stock
From
$107.64
Square D
30
240
RLF36200CU44A
RLF36200CU44A
In Stock
From
$5,460.00
Square D
2000
600
BDA160151
BDA160151
In Stock
From
$232.96
Square D
15
600
BDA160201
BDA160201
In Stock
From
$243.17
Schneider Electric
20
600
BDA160203
BDA160203
In Stock
From
$355.55
Square D
20
600
BDA261002
BDA261002
In Stock
From
$397.93
Square D
100
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.