SANS 60947-5-4-2003 低压开关和控制器．第5．4节：控制电流装置和开关元件．低能量触头性能的评估方法．特殊试验
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
Applies to separable contacts used in the utilization area considered, such as switching elements for control circuits. The object of this standard is to propose a method of assessing the performances of low energy contacts.