LST EN 60255-21-2-2001 Electrical relays. Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment. Section 2: Shock and bump tests (IEC 60255-21-2:1988)
2002LST EN 60255-21-2-2001 Electrical relays. Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment. Section 2: Shock and bump tests (IEC 60255-21-2:1988)