NF EN 61811-53:2003现行
Electromechanical All-or-nothing Relays - Part 53: Blank Detail Specification -electromechanical All-or-nothing Telecom Relays Of Assessed Quality - Two Change-over Contacts, 14 Mm X 9 Mm Base
出版：Association Francaise de Normalisation
专家解读视频
Applies to electromechanical all-or-nothing telecom relays of assessed quality.
Indice de classement: C45-255-53. (12/2003)
EN 61811-53:2002 - Identical
BS EN 61811-53:2002 - Identical
DIN EN 61811-53 (2003-02) - Identical
NBN EN 61811-53:2002 - Identical
IEC 61811-53 Ed. 2.0 - Identical
I.S. EN 61811-53:2002 - Identical
SS EN 61811-53 Ed. 1 (2002) - Identical
