LST EN 60947-5-4-2004 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 (IEC 60947-5-4:2002)
2004LST EN 60947-5-4-2004 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 (IEC 60947-5-4:2002)