Objavljen
This standard includes two types of tests: -the shock test (on energized and non-energized specimen), -the bump test (on non-energized specimen). These requirements are applicable only to measuring relays and protection equipment in a new condition.
OBJAVLJEN
IEC 60255-21-2:1988 ED1
60.60
Standard objavljen
31. 10. 1988.
Električni releji - Deo 21: Ispitivanja vibracija, ispitivanja na potres, udar i seizmička ispitivanja na mernim relejima i zaštitnoj opremi - Odeljak 2: Ispitivanja na potres i udar
90.93 Odluka o potvrđivanju standarda