NP EN 60947-5-2-2001 Low-voltage switchgear and controlgear Part 5-2:Control circuit devices and switching elements-Proximity switches(IEC 60947-5-4:1997,modified)
2001NP EN 60947-5-2-2001 Low-voltage switchgear and controlgear Part 5-2:Control circuit devices and switching elements-Proximity switches(IEC 60947-5-4:1997,modified)
2001NP EN 60947-5-2-2000 Low-valtage switchgear and controlgear Part 5:Control circuit devices and switching elements Section 2:Proximity switces(IEC 60947-5-2:1992+A1:1994+A2:1995,modified)