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VDE - German association for electrotechnics, electronics and information technologies was founded as early as 1893. It supports modern education for professionals and high acceptance by people. It supports development of electrotechnics, electronics and information technologies and related technologies.
The main task of the association lies in safety in electrotechnics, elaboration of respected technical rules such as national and international standards, tests and certification of equipment and systems.
American version of VDE standards is marked as UL standard (Underwriters Laboratories).
VDE 0414-9-2/Bbl.1. Instrument transformers - Part 2: Additional requirements for current transformers - Supplement 1: Interpretation Sheet 1.
(VDE 0414-9-2/Bbl.1. Messwandler - Teil 2: Zusätzliche Anforderungen für Stromwandler - Beiblatt 1: Auslegungsblatt 1.)
Standard published on 1.10.2023
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VDE 0414-9-2 Berichigung 1. Instrument transformers - Part 2: Additional requirements for current transformers.
(VDE 0414-9-2 Berichigung 1. Messwandler - Teil 2: Zusätzliche Anforderungen für Stromwandler.)
Correction published on 1.6.2014
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VDE 0414-9-20. Instrument transformers - Part 20: Safety requirements of instrument transformers for high voltage applications.
(VDE 0414-9-20. Messwandler - Teil 20: Sicherheitsanforderungen von Messwandlern für Hochspannungsanwendungen.)
Standard published on 1.12.2025
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VDE 0414-9-21. Instrument transformers - Part 21: Uncertainty evaluation in the calibration of Instrument Transformers.
(VDE 0414-9-21. Messwandler - Teil 21: Unsicherheitsbewertung bei der Kalibrierung von Messwandlern.)
Standard published on 1.5.2024
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VDE 0414-9-22. Instrument transformers - Part 22: Instrument transformers integrated with other devices with Um <= 36 kV - Requirements and tests.
(VDE 0414-9-22. Messwandler - Teil 22: Messwandler, die mit anderen Geräten mit Um <= 36 kV integriert sind - Anforderungen und Prüfungen.)
Standard published on 1.5.2026
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VDE 0414-9-3. Instrument transformers - Part 3: Additional requirements for inductive voltage transformers.
(VDE 0414-9-3. Messwandler - Teil 3: Zusätzliche Anforderungen für induktive Spannungswandler.)
Standard published on 1.5.2012
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VDE 0414-9-4. Instrument transformers - Part 4: Additional requirements for combined transformers.
(VDE 0414-9-4. Messwandler - Teil 4: Zusätzliche Anforderungen für kombinierte Wandler.)
Standard published on 1.4.2015
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VDE 0414-9-5. Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers.
(VDE 0414-9-5. Messwandler - Teil 5: Zusätzliche Anforderungen für kapazitive Spannungswandler.)
Standard published on 1.5.2012
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VDE 0414-9-9. Instrument transformers - Part 9: Digital interface for instrument transformers.
(VDE 0414-9-9. Messwandler - Teil 9: Digitale Schnittstelle für Messwandler.)
Standard published on 1.12.2019
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VDE 0414-9-99. Instrument transformers - Part 99: Glossary.
(VDE 0414-9-99. Messwandler - Teil 99: Glossar.)
Standard published on 1.10.2023
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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