DIN EN 61811-50 : 2002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.
NF EN 61811-50 : 2003 - Identical
I.S. EN 61811-50:2002 - Identical
EN 61811-50 : 2002 - Identical
NBN EN 61811-50 : 2002 - Identical
IEC 61811-50 : 2.0 - Identical
BS EN 61811-50 : 2002 - Identical
NF EN 61811-50 : 2003 - Identical
NBN EN 61811-50 : 2002 - Identical
I.S. EN 61811-50:2002 - Identical
BS EN 61811-50 : 2002 - Identical
