
Electromechanical all-or-nothing relays. Blank detail specification. Electromechanical all-or-nothing telecom relays of assessed quality. Non-standardized types and construction
出版:British Standards Institution

专家解读视频
Applies 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
I.S. EN 61811-51:2002 - Identical
DIN EN 61811-51 : 2002 - Identical
NBN EN 61811-51 : 2002 - Identical
I.S. EN 61811-51:2002 - Identical
EN 61811-51 : 2002 - Identical
NF EN 61811-51 : 2003 - Identical
IEC 61811-51 : 2.0 - Identical
DIN EN 61811-51 : 2002 - Identical
DIN EN 61811-51 (2002-11) - Identical
NF EN 61811-51:2003 - Identical
NBN EN 61811-51:2002 - Identical
IEC 61811-51 Ed. 2.0 - Identical
I.S. EN 61811-51:2002 - Identical
SS EN 61811-51 Ed. 1 (2002) - Identical
EN 61811-51:2002 - Identical