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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
LGB3B015
LGB3B015
In Stock
From
$57.75
Siemens
15
480
LGB3B025
LGB3B025
In Stock
From
$369.36
Siemens
25
480
LGB3B030
LGB3B030
In Stock
From
$705.44
Siemens
30
600
LGB3B060
LGB3B060
In Stock
From
$368.60
Siemens
60
600
LGB3B080
LGB3B080
In Stock
From
$267.30
Siemens
80
480
QBA220701
QBA220701
In Stock
From
$228.32
Square D
70
240
QBA220902
QBA220902
In Stock
From
$302.40
Square D
90
240
QBA221101
QBA221101
In Stock
From
$492.26
Square D
110
240
QBGFEP1025
QBGFEP1025
In Stock
From
$170.28
Eaton
25
120
QE2100VH
QE2100VH
In Stock
From
$392.69
Square D
100
240
QE2150VH
QE2150VH
In Stock
From
$896.46
Square D
150
240
QE2200VH
QE2200VH
In Stock
From
Get Price
Square D
200
240
QE3100VH
QE3100VH
In Stock
From
$753.59
Square D
100
240
QE3125VH
QE3125VH
In Stock
From
$1,472.12
Square D
125
240
QE3150VH
QE3150VH
In Stock
From
$1,810.07
Square D
150
240
QE3200VH
QE3200VH
In Stock
From
Get Price
Square D
200
240
QOB110
QOB110
In Stock
From
$12.59
Square D
10
120
QOB125
QOB125
In Stock
From
$15.13
Schneider Electric
25
120
QOB160
QOB160
In Stock
From
$13.14
Square D
60
120
RGH325032E
RGH325032E
In Stock
From
$18,518.70
Eaton
2500
600
S143A
S143A
In Stock
From
$2,942.50
Schneider Electric
-
600
S144A
S144A
In Stock
From
$3,004.02
Schneider Electric
-
600
THQL2110
THQL2110
In Stock
From
$39.47
General Electric
15
240
THQLT1515
THQLT1515
In Stock
From
$20.25
ABB
15
240
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.