Three-phase liquid-immersed distribution transformers 50 Hz, from 25 kVA to 3150 kVA with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. Section 3: Requirements for dual-voltage transformers in high-voltage and for dual-voltage transformers in low-voltage
Edition 2021-12-01

Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3150 kVA, with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. National complementary annex
Edition 2023-02-01

Watthour meters for instrument-transformer connection; main dimensions for three-phase meters
Edition 1977-06

Inland navigation vessels - Electrical shore connection, three-phase current 400 V, 50 Hz, at least 250 A; German version EN 16840:2017
Edition 2017-05

IEEE Guide for Application of Transformer Connections in Three Phase Electrical Systems - Corrigendum 1
Edition 2023

Railway applications - Rolling Stock - Three-phase shore (external) supply system for rail vehicles and its connectors; German and English version prEN 50546:2023
Edition 2023-12

Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors (IEC 2/2107/CD:2022); Text in German and English
Edition 2023-10

Railway applications - Three-phase train line voltage characteristics; German version EN 50533:2011
Edition 2012-04

Designation of phase differences by hour numbers in three-phase AC systems (IEC 60152:2021); German version EN IEC 60152:2021
Edition 2023-04

ARC Fault Circuit Breaker ( AFCB), Aircraft, Trip-Free Single Phase and Three Phase 115 VAC, 400 Hz - Constant Frequency
Edition 2023-03-27