
Electrical Relays - Part 21: Vibration, Shock, Bump And Seismic Tests On Measuring Relays And Protection Equipment - Section 1: Vibration Tests (sinusoidal)
出版:Asociacion Espanola de Normalizacion

专家解读视频
Describes the vibration, shock, bump and seismic requirements applicable to measuring relays and protection equipment. Gives vibration response and endurance test, fixing and measuring points, check and reference point, sweep-cycle, distortion, cross-over frequency and standard acceleration of gravity.
SS EN 60255-21-1 Ed. 1 (1996) - Identical
IEC 60255-21-1 Ed. 1.0 - Identical
DIN EN 60255-21-1 (1996-05) - Identical
BS EN 60255-21-1:1996 - Identical
SN EN 60255-21-1:1995 - Identical
I.S. EN 60255-21-1:1999 - Identical