[PDF] IEC 60947-5-4:2002/AMD1:2019 gratis
Fecha de publicación: 22/05/2019 Amendment 1 – 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/AMD1:2019