Microsoft Word EN61811 51{2002}e doc BRITISH STANDARD BS EN 61811 51 2002 Electromechanical all or nothing relays — Part 51 Blank detail specification — Electromechanical all or nothing telecom relays[.]
BRITISH STANDARD Electromechanical all-or-nothing relays — Part 51: Blank detail specification — Electromechanical all-or-nothing telecom relays of assessed quality — Non-standardized types and construction The European Standard EN 61811-51:2002 has the status of a British Standard ICS 29.120.70 12&23