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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
QBHW1020S
QBHW1020S
In Stock
From
$123.89
Cutler Hammer
20
240
QBL22150
QBL22150
In Stock
From
Get Price
Square D
150
240
QBL22225
QBL22225
In Stock
From
$330.22
Square D
225
240
QBL32080
QBL32080
In Stock
From
$407.14
Schneider Electric
80
240
QBL32090
QBL32090
In Stock
From
$377.26
Square D
90
240
QBL32100YP
QBL32100YP
In Stock
From
$864.43
Square D
100
240
QBL32110
QBL32110
In Stock
From
$478.97
Schneider Electric
110
240
QBL32150YP
QBL32150YP
In Stock
From
$1,771.04
Schneider Electric
150
240
QBL32175
QBL32175
In Stock
From
$415.94
Schneider Electric
175
240
QBL32200
QBL32200
In Stock
From
$509.38
Square D
200
240
QBL32200YP
QBL32200YP
In Stock
From
$482.60
Schneider Electric
200
240
QBL32225
QBL32225
In Stock
From
$378.11
Square D
225
240
QBL32250
QBL32250
In Stock
From
$852.21
Schneider Electric
250
240
QBM22200TN
QBM22200TN
In Stock
From
$409.84
Schneider Electric
200
240
QBM32100TN
QBM32100TN
In Stock
From
$692.66
Square D
100
240
QBM32125TN
QBM32125TN
In Stock
From
$838.13
Square D
125
240
QBM32150TN
QBM32150TN
In Stock
From
$678.95
Schneider Electric
150
240
QBM32225TN
QBM32225TN
In Stock
From
$1,137.83
Schneider Electric
225
240
QBP32150
QBP32150
In Stock
From
$508.50
Square D
150
240
QDL32070
QDL32070
In Stock
From
$473.84
Schneider Electric
70
240
QDL32080
QDL32080
In Stock
From
$1,109.37
Square D
80
240
QDL32090
QDL32090
In Stock
From
$427.68
Square D
90
240
QDL32100YP
QDL32100YP
In Stock
From
$625.49
Schneider Electric
100
240
QDL32110
QDL32110
In Stock
From
$429.00
Square D
110
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.