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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
LNY4X800L
LNY4X800L
Limited Stock
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Siemens
800
600
LPG3C140
LPG3C140
Limited Stock
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Siemens
1400
600
LPG3C160
LPG3C160
Limited Stock
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Siemens
1600
600
LPG3D160
LPG3D160
Limited Stock
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Siemens
1600
600
LPG3E160
LPG3E160
Limited Stock
From
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Siemens
1600
600
LPG3N160
LPG3N160
Limited Stock
From
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Siemens
1600
600
LPG3P160
LPG3P160
Limited Stock
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Siemens
1600
600
LPG3U160
LPG3U160
Limited Stock
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Siemens
1600
600
LPG3X160
LPG3X160
Limited Stock
From
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Siemens
1600
600
LPG4F160
LPG4F160
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From
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Siemens
1600
600
LPH3B120
LPH3B120
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Siemens
1200
600
LPH3B140
LPH3B140
Limited Stock
From
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Siemens
1400
600
LPH3B160
LPH3B160
Limited Stock
From
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Siemens
1600
600
LPH3C120
LPH3C120
Limited Stock
From
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Siemens
1200
600
LPH3C140
LPH3C140
Limited Stock
From
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Siemens
1400
600
LPH3C160
LPH3C160
Limited Stock
From
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Siemens
1600
600
LPH3D120
LPH3D120
Limited Stock
From
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Siemens
1200
600
LPH3D160
LPH3D160
Limited Stock
From
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Siemens
1600
600
LPH3E120
LPH3E120
Limited Stock
From
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Siemens
1200
600
LPH3E160
LPH3E160
Limited Stock
From
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Siemens
1600
600
LPH3N120
LPH3N120
Limited Stock
From
Get Price
Siemens
1200
600
LPH3N160
LPH3N160
Limited Stock
From
Get Price
Siemens
1600
600
LPH3P120
LPH3P120
Limited Stock
From
Get Price
Siemens
1200
600
LPH3P160
LPH3P160
Limited Stock
From
Get Price
Siemens
1600
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.