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DIN EN 13941-1 rev
District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 1: Design
DIN EN 13941-2 rev
District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 2: Installation
DIN EN 50160
Voltage characteristics of electricity supplied by public electricity networks; German version EN 50160:2022
DIN EN IEC 60099-4
Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
DIN EN IEC 61558-2-23
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites (IEC 61558-2-23:2024); German version EN IEC 61558-2-23:2025
DIN EN IEC 61643-11
Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods (IEC 37A/403/CDV:2023); German and English version prEN IEC 61643-11 (Frag 1):2023
DIN EN IEC 62769-6-100
Field Device Integration (FDI) - Part 6-100: Technology Mapping - Net
DIN EN IEC 62933-5-1
Electrical energy storage (EES) systems - Part 5-1: Safety considerations for grid-integrated EES systems - General specification (IEC 62933-5-1:2024); German version EN IEC 62933-5-1:2024
DIN EN IEC 63437
Test standard for refrigerated appliances for use with distributed renewable energy sources (off grid) or weak grid
DIN IEC/TS 63460
Architecture and use-cases for EVs to provide grid support functions
