DIN EN 61811-50 (2002-11)被替代
Electromechanical All-or-nothing Relays - Part 50: Sectional Specification; Electromechanical All-or-nothing Telecom Relays Of Assessed Quality
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Applicable to electromechanical all-or-nothing telecom relays of assessed quality. Relays according to this standard are provided for operation in telecommunication applications.
Supersedes DIN EN 116500 and DIN IEC 94-100-CD. (11/2002) A transition period, as set out in DIN EN 61811-1 issue 10-2015, exists until 04-03-2018. (10/2015)
NF EN 61811-50:2003 - Identical
IEC 61811-50 Ed. 2.0 - Identical
NBN EN 61811-50:2002 - Identical
BS EN 61811-50:2002 - Identical
SS EN 61811-50 Ed. 1 (2002) - Identical
I.S. EN 61811-50:2002 - Identical
EN 61811-50:2002 - Identical
