DIN EN 60255-22-5:2011 量度继电器和保护装置.第22-5部分L:电气干扰试验.浪涌抗扰度试验(IEC 60255-22-5-2008);德文版本EN 60255-22-5-2011
Measuring relays and protection equipment - Part 22-5: Electrical disturbance tests - Surge immunity test (IEC 60255-22-5:2008); German version EN 60255-22-5:2011