PUBLISHED
IEC 60255-187-1:2021 ED1
PUBLISHED
IEC 60255-187-1:2021/COR1:2023 ED1
60.60
Standard published
21 pri 2023
Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers
40.60 Close of voting