BS EN 61811-50:2002被替代
Electromechanical all-or-nothing relays. Sectional specification. Electromechanical all-or-nothing telecom relays of assessed quality
出版：British Standards Institution
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.
© British Standards Institution 2013
EN 61811-50:2002 - Identical
SS EN 61811-50 Ed. 1 (2002) - Identical
I.S. EN 61811-50:2002 - Identical
NF EN 61811-50:2003 - Identical
IEC 61811-50 Ed. 2.0 - Identical
NBN EN 61811-50:2002 - Identical
DIN EN 61811-50 (2002-11) - Identical
I.S. EN 61811-50:2002 - Identical
DIN EN 61811-50 : 2002 - Identical
IEC 61811-50 : 2.0 - Identical
NF EN 61811-50 : 2003 - Identical
EN 61811-50 : 2002 - Identical
NBN EN 61811-50 : 2002 - Identical
DIN EN 61811-50 : 2002 - Identical
I.S. EN 61811-50:2002 - Identical
