GB/T 18802.12-2006 Surge protective devices connected to low-voltage power distribution systems - Part 12: Selection and application principles (English Version)
This section applies to the selection, operation, installation location and coordination principle of SPDs connected to AC 50Hz and 60Hz, with a voltage not exceeding 1000V (rms), or a DC voltage not exceeding 1500V.
GB/T 18802.12-2006 history
2014GB/T 18802.12-2014 Low-voltage surge protective devices.Part 12:Surge protective devices connected tolow-voltage power distribution systems.Selection and application principles
2006GB/T 18802.12-2006 Surge protective devices connected to low-voltage power distribution systems - Part 12: Selection and application principles