
Electrical Relays - Part 21: Vibration, Shock, Bump And Seismic Tests On Measuring Relays And Protection Equipment - Section 1: Vibration Tests (sinusoidal)
出版:Swiss Standards

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.
DIN EN 60255-21-1 (1996-05) - Identical
BS EN 60255-21-1:1996 - Identical
UNE EN 60255-21-1:1996 - Identical
SS EN 60255-21-1 Ed. 1 (1996) - Identical
I.S. EN 60255-21-1:1999 - Identical
IEC 60255-21-1 Ed. 1.0 - Identical