What are the types of overvoltage for industrial heavy duty connectors?

According to the classification of industrial heavy-duty connectors installed in the grid and voltage location, overvoltage, that is, industrial heavy-duty connectors where the system failure, the connector is able to withstand the ability of overvoltage, according to the standard, can be divided into the following categories of overvoltage. First, overvoltage type Ⅰ equipment overvoltage type Ⅰ equipment that is connected to the limitation of transient overvoltage equipment, for example: with overvoltage protection of the electrical line. Equipment of overvoltage type Ⅱ Equipment of overvoltage type Ⅱ, i.e. energy-consuming equipment supplied by distribution devices, including appliances, movable tools and other loads. Third, over-voltage Ⅲ equipment over-voltage Ⅲ equipment that is installed in the distribution equipment, equipment reliability and adaptability to meet the special requirements of the environment, for example: installed in the distribution of switching appliances. Over-voltage Ⅳ equipment Over-voltage Ⅳ equipment that is equipped with equipment in the power supply side of the distribution device, for example: including meters and front-level current protection equipment.

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