D Class

This arrester is used to complete the deal with extra voltage. This type will be used in the lines with low voltage. This type of surge arrester should not be exposed to direct lightning. Serge arrester Class A has been designed for minor changes in current s μ 20/8.

This type of arrester is used to complete and deal with overvoltage.

Class D surge arrester is used in low voltage lines. This type of surge arrester should not be exposed to direct lightning. Class A surge arrester is designed for small current changes of 8/20 µs with a maximum peak of 5kv.

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