Mc4 solar charging cable 's Brief description and introduction

      Photovoltaic systems are subject to strong wind, rain, sunlight and extreme temperature changes for a long time, so the connector must be able to adapt to these harsh environments. They must not only be waterproof, high temperature resistant, and UV resistant, but also must be touch-protective, high current-carrying capacity and high efficiency. At the same time, low contact resistance is also a factor to be considered. All of these must run through the entire life cycle of the photovoltaic system, at least 25 years.

      (1) Shell insulation material

      The application environment of photovoltaic connectors is usually very harsh, from coastal saline-alkali soils to highlands and other terrain deserts, from hot equator to cold high latitudes, and perennial erosion, such as solar radiation, snow, wind, sand, shell insulation The weather resistance, heat resistance, fire resistance, mechanical properties, insulation properties and other aspects are very good, and can be used for 25 years to ensure that the internal and external copper cores are insulated.
      (2) Seal

      The photoelectric connector includes the copper core of the plug and the copper core of the cable. It has no anti-corrosion function. The required connector can isolate the copper core from the outside world. The connector on the board is still used with the driver (or controller). Therefore, in order to ensure the sealing function of the inverter, the sealing function of the connector must also be very reliable. In addition, the sealing screw must be tightened during installation.

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