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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
LGE463036WVH09
LGE463036WVH09
Limited Stock
From
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Cutler Hammer
630
600
LGE4630AAGH08
LGE4630AAGH08
Limited Stock
From
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Cutler Hammer
630
600
LGE4630AAGVH08
LGE4630AAGVH08
Limited Stock
From
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Cutler Hammer
630
600
LGE4630AAGVH09
LGE4630AAGVH09
Limited Stock
From
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Cutler Hammer
630
600
LGE4630NNH08
LGE4630NNH08
Limited Stock
From
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Cutler Hammer
630
600
LGE4630NNVH08
LGE4630NNVH08
Limited Stock
From
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Cutler Hammer
630
600
LGE4630NNVH09
LGE4630NNVH09
Limited Stock
From
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Cutler Hammer
630
600
LGG2B015
LGG2B015
Limited Stock
From
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Siemens
15
600
LGG2B020
LGG2B020
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Siemens
20
600
LGG2B025
LGG2B025
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Siemens
25
600
LGG2B030
LGG2B030
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Siemens
30
600
LGG2B035
LGG2B035
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Siemens
35
600
LGG2B040
LGG2B040
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Siemens
40
600
LGG2B045
LGG2B045
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Siemens
45
600
LGG2B050
LGG2B050
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Siemens
50
600
LGG2B060
LGG2B060
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Siemens
60
600
LGG2B070
LGG2B070
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Siemens
70
600
LGG2B080
LGG2B080
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Siemens
80
600
LGG2B090
LGG2B090
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Siemens
90
600
LGG2B100
LGG2B100
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Siemens
100
600
LGG2B110
LGG2B110
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Siemens
110
600
LGG2B125
LGG2B125
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Siemens
125
600
LGG3B025
LGG3B025
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From
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Siemens
25
600
LGG3B035
LGG3B035
Limited Stock
From
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Siemens
35
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.