IEC 61558-2-9:2010
电力变压器、反应器、供电机组及其组合的安全性.第2-9部分:Ⅲ类手用钨丝灯变压器和供电机组的详细要求和试验
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps