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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
GDL36100
GDL36100
Limited Stock
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Square D
100
600
HDL360201
HDL360201
Limited Stock
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Square D
20
600
HDL360251
HDL360251
Limited Stock
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Square D
25
600
HDL360301
HDL360301
Limited Stock
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Square D
30
600
HDL360351
HDL360351
Limited Stock
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Square D
35
600
HDL360401
HDL360401
Limited Stock
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Square D
40
600
HDL360451
HDL360451
Limited Stock
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Square D
45
600
HDL360501
HDL360501
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Square D
50
600
HDL360601
HDL360601
Limited Stock
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Square D
60
600
HDL360701
HDL360701
Limited Stock
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Square D
70
600
HDL360801
HDL360801
Limited Stock
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Square D
80
600
HDL360901
HDL360901
Limited Stock
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Square D
90
600
HDL361001
HDL361001
Limited Stock
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Square D
100
600
HDL361101
HDL361101
Limited Stock
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Square D
110
600
HDL361251
HDL361251
Limited Stock
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Square D
125
600
HDL361501
HDL361501
Limited Stock
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Square D
150
600
HGK26000S151
HGK26000S151
Limited Stock
From
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Square D
150
600
HGL37030
HGL37030
Limited Stock
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Schneider Electric
30
500
HGL37030D87
HGL37030D87
Limited Stock
From
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Schneider Electric
30
500
HGL37050D87
HGL37050D87
Limited Stock
From
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Schneider Electric
50
500
HLL37030D87
HLL37030D87
Limited Stock
From
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Schneider Electric
30
500
HLL37050D87
HLL37050D87
Limited Stock
From
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Schneider Electric
50
500
HLL37070D87
HLL37070D87
Limited Stock
From
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Schneider Electric
70
500
HOM225EPD
HOM225EPD
Limited Stock
From
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Square D
25
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.