Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017); German version EN ISO 22829:2017
Edition 2018-01

Resistance welding - Resistance welding equipment - Mechanical and electrical requirements (ISO 669:2016); German version EN ISO 669:2016
Edition 2016-07

Power transformer and reactor fittings - Part 7: Electric pumps for transformer oil; German version EN 50216-7:2002
Edition 2002-09

Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements; German version EN 50588-1:2017
Edition 2019-12

Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air (IEC 60076-3:2013 + A1:2018); German version EN 60076-3:2013 + A1:2018
Edition 2019-03

High-voltage switchgear and controlgear - Part 211: Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV (IEC 62271-211:2024); German version EN IEC 62271-211:2024
Edition 2025-10

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

Power transformers - Part 20: Energy efficiency (IEC TS 60076-20:2017 + COR1:2018)
Edition 2019-12

Railway applications - Electronic power converters for fixed installations - Part 2-1: DC Traction applications - Diode rectifiers (IEC 9/3044/CDV:2024); German and English version prEN IEC 62590-2-1:2024
Edition 2025-01

Octagon connectors for terminal studs, rated over 10000 A, for transformer-bushings
Edition 1979-01