Specification for high-voltage alternating current circuit-breakers. Guide for seismic qualification of high-voltage alternating current circuit-breakers— 20 стр.
Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 1: General requirements for bushings; German version EN 50180-1:2015— 43 стр.
Composite hollow core station post insulators for substations with a.c. voltage greater than 1 000 V and d.c. voltage greater than 1 500 V. Definitions, test methods and acceptance criteria— 28 стр.
Composite hollow insulators. Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1000 V. Definitions, test methods, acceptance criteria and design recommendations— 44 стр.