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— 49 стр.
Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2015); German version EN ISO 13849-1:2015— 113 стр.
Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2006); German version EN ISO 13849-1:2008— 102 стр.
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Equipment for insulation fault location in IT systems— 32 стр.