
Electrical relays Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal)
出版:International Electrotechnical Committee

专家解读视频
This part includes two types of vibration tests: the vibration response test and the vibration endurance test, and is generally based upon IEC 68-2-6. The requirements are applicable only to measuring relays and protection equipment in a new condition. The tests specified are type tests.
SS IEC 255:1991 - Identical
UNE EN 60255-21-1:1996 - Identical
SS EN 60255-21-1 Ed. 1 (1996) - Identical
PN EN 60255-21-1:1999 - Identical
I.S. EN 60255-21-1:1999 - Identical
NF EN 60255 21-1:1998 - Identical
DIN IEC 60255-21-1 (1990-06) - Identical
DIN EN 60255-21-1 (1996-05) - Identical
ONORM OVE EN 60255-21-1:1996 - Identical
BS EN 60255-21-1:1996 - Equivalent
NEN 10255-21-1:1996 - Identical
SN EN 60255-21-1:1995 - Identical
CEI EN 60255-21-1 Ed. 1 (1997) - Identical
BS 142-1.5.1:1989 - Identical