More Than 20 years MC4 Connector Production Experience in Photovoltaics

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LNNTNN® is ReliableCredibleQuality MC4 Connector Manufacturer in China.

Cixi Longteng Electronics co.,Ltd is a professional manufacturer that designs, produces, and sells photovoltaic MC4 connectors, photovoltaic cables, and photovoltaic junction boxes.


Longteng Electronics was founded in 2012 and is a global technology enterprise specializing in the research and development, manufacturing, sales, operation, and service of photovoltaic connectors, photovoltaic cables, and photovoltaic junction boxes. Its business covers over 130 countries and regions, serving millions of customers and consumers.

Longteng Electronics adheres to the research and development concept of “practicality, efficiency, safety, and reliability”, continuously explores photovoltaic connection system solutions, and is committed to improving people’s green quality of life through technology.
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Patented Products

Product Catalog

1000V MC4 Connector

30A /50A optional rated current

1500V MC4 Connector

Panel mounted MC4 connectors

MC4 Branch Connector

2-6 branch parallel connection

1500V Y MC4 Connector

30A /50A optional rated current

10/12/14 AWG Size

Customize various extension cables

PV1-F photovoltaic cable

2.5/4/6/10mm2 Solar Cable

1500V New 30A 50A MC4 Connector

When the photovoltaic system evolves from 600V to 1000V, it brings about a significant decrease in cost and an effective increase in power generation. Similarly, when 1000V evolves to 1500V, there will be a similar efficiency improvement.

High voltage photovoltaic systems have lower line losses and higher system efficiency; Additionally, due to the increased power density of inverters and transformers, their high power and small size make them easy to install and maintain, thereby reducing overall system costs. These advantages make 1500V high-voltage systems the development trend of large-scale photovoltaic projects.

1500V TUV PV1-F Solar photovoltaic cable

Photovoltaic cable is a special cable used in the field of solar power generation, such as solar power stations and rooftop photovoltaics. It connects solar photovoltaic panels and inverters to ensure the stable operation of the entire solar power generation system.

characteristics: Cable made of electron-beam cross-linked insulation and coating; high resistance against heat , cold, oil, abrasion, ozone, UV and weather; with improved reaction in case of fire . low smoke, halogen free , flame free , flame retardant.

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