DIN EN 61558-2-8:2011 变压器,反应器,供电机组及其组合的安全性.第2-8部分:变压器和供电机组的试验和详细要求(IEC 61558-2-8-2010).德文版本EN 61558-2-8-2010
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-8: Particular requirements and tests for transformers and power supply units for bells and chimes (IEC 61558-2-8:2010); German version EN 61558-2-8:2010