NF EN 61812-1:1997被替代
Specified Time Relays For Industrial Use - Part 1: Requirements And Tests
出版：Association Francaise de Normalisation
專家解讀視頻
Applicable to specific time relays, eg time delay relays according to definitions in IEC 50(446) for industrial applications, such as control, automation, signal and industrial equipment).
Indice de classement: C45-253 Supersedes NFC 45 253 (10/2001) Supersedes NFC 45 253 PROJET (08/2003)
UNE EN 61812-1:2012 - Identical
SN EN 61812-1:1996 - Identical
BS EN 61812-1:1997 - Identical
DIN EN 61812-1 (1999-08) - Identical
IEC 61812-1 Ed. 1.0 - Identical
NBN EN 61812-1:1999 - Identical
I.S. EN 61812-1:1999 - Identical
SS EN 61812-1:1997 - Identical
UNE EN 61812-1:1998 - Identical
