EN 60947-5-4-2003 低压开关设备和控制设备.第5-4部分:控制电路器件和开关元件.低能量触头性能的评估方法.特别试验 IEC 60947-5-4-2002
Low-voltage switchgear and controlgear Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests