Specification of technical grade sulphur hexafluoride (SF6) and complementary gases to be used in its mixtures for use in electrical equipment— 22 стр.
Railway applications. Fixed installations. Particular requirements for alternating current switchgear. Circuit-breakers with nominal voltage above 1 kV— 28 стр.
Railway applications. Fixed installations. Particular requirements for a.c. switchgear. Single-phase disconnectors, earthing switches and switches with Un above 1 kV— 14 стр.
Railway applications. Fixed installations. Particular requirements for alternating current switchgear. Disconnectors, earthing switches and switches with nominal voltage above 1 kV— 16 стр.
Specification of technical grade sulphur hexafluoride (SF6) and complementary gases to be used in its mixtures for use in electrical equipment— 22 стр.
Railway applications. Fixed installations. Particular requirements for alternating current switchgear. Circuit-breakers with nominal voltage above 1 kV— 28 стр.
High-voltage switchgear and controlgear - Part 4: Handling procedures for sulphur hexafluoride (SF6) and its mixtures (IEC 62271-4:2013) (english version)