VDE 0413-3-2017 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing@ measuring or monitoring of protective measures - Part 3: Loop impedance (IEC 85/609/CD:2017)
Elektrische Sicherheit in Niederspannungsnetzen bis AC 1000 V und DC 1500 V - Geraete zum Pruefen@ Messen oder Ueberwachen von Schutzmassnahmen - Teil 3: Schleifenwiderstand (IEC 85/609/CD:2017)
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing@ measuring or monitoring of protective measures - Part 3: Loop impedance (IEC 85/609/CD:2017) 是非强制性国家标准,您可以免费下载前三页