Standard [CURRENT]
DIN EN 61557-9 Berichtigung 1:2017-05
VDE 0413-9 Berichtigung 1:2017-05
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 9: Equipment for insulation fault location in IT systems (IEC 61557-9:2014); German version EN 61557-9:2015, Corrigendum to DIN EN 61557-9 (VDE 0413-9):2015-10, (IEC 61557-9:2014/COR2:2017); German version EN 61557-9:2015/AC:2017-02
- German title
- Elektrische Sicherheit in Niederspannungsnetzen bis AC 1000 V und DC 1500 V - Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen - Teil 9: Einrichtungen zur Isolationsfehlersuche in IT-Systemen (IEC 61557-9:2014); Deutsche Fassung EN 61557-9:2015, Berichtigung zu DIN EN 61557-9 (VDE 0413-9):2015-10, (IEC 61557-9:2014/COR2:2017); Deutsche Fassung EN 61557-9:2015/AC:2017-02
- Publication date
- 2017-05
- Original language
- German
- Pages
- 6
- Publication date
- 2017-05
- Original language
- German
- Pages
- 6
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This Part 9 of the international IEC 61557 series of standards specifies special requirements for insulation fault location devices that can locate insulation-faulty system sections in unearthed IT AC systems or IT AC systems with galvanically connected DC circuits with rated voltages up to AC 1 000 V, as well as in unearthed IT DC systems up to DC 1 500 V, regardless of the measurement method. IT systems are described in IEC 60364-4-41, among others. If standards contain additional information for the selection of devices, these should also be observed. Further information on insulation fault location can be found in the following standards: IEC 60364-4-41:2005, 411.6, and IEC 60364-5-53:2001, 531.3. This Corrigendum corrects the errors identified in the latest edition of IEC 61557-9 from 2014, and clarifies ambiguous wording. The responsible committee is DKE/UK 964.1 "Messgeräte zum Prüfen von Schutzmaßnahmen" ("Equipment for testing of protective measures") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.