IEC 61811-50 : 2.0被替代
ELECTROMECHANICAL ALL-OR-NOTHING RELAYS - PART 50: SECTIONAL SPECIFICATION - ELECTROMECHANICAL ALL-OR-NOTHING TELECOM RELAYS OF ASSESSED QUALITY
出版：International Electrotechnical Committee
专家解读视频
Applicable to electromechanical all-or-nothing telecom relays of assessed quality for operating in telecommunication applications. Also for use in particular industrial and other applications. Provides relevant test methods for use in detail specifications taken from this specification and gives basic test schedules for use in preparing these specifications.
CEI EN 61811-50 : 2003 - Identical
UNE EN 61811-50 : 2002 - Identical
BS EN 61811-50 : 2002 - Identical
DIN EN 61811-50 : 2002 - Identical
SAC GB/T 16608-50 : 2012 - Identical
NEN EN IEC 61811-50 : 2002 - Identical
PN EN 61811-50 : 2006 - Identical
I.S. EN 61811-50:2002 - Identical
