DIN EN IEC 60255-187-1 VDE 0435-3187-1 Berichtigung 1:2023-10
Measuring relays and protection equipment
Part 187-1: Functional requirements for differential protection – Restrained and unrestrained differential protection of motors, generators and transformers
(IEC 60255-187-1:2021/COR1:2023); German version EN IEC 60255-187-1:2021/AC:2023-04
Class/Status:
Standard,
valid
Released: 2023-10
VDE Art. No.: 0400623