Type 1 surge protection (lightning current arrester) constitutes the first stage in the protection concept.

It can discharge very high energies, e.g., caused by a lightning strike, to ground. Type 1 surge protective devices (SPDs) are usually installed in the feed-in or main distribution system.

For additional energies with lower surge voltage pulses, type 1+2 combined lightning current and surge arresters are required.

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Note: Please follow manufacturer datasheets and guidelines for cable usage and installation.

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