Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control - Clause 534: Devices for protection against transient overvoltages (english version)
gültig ab
2015-09-15
internat. Übereinstimmung
HD 60364-5-534/AA (2015) , ident HD 60364-5-534 (2015) , ident