IEC 61811-50 Ed. 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
IEC 61811-50:2002 Is a sectional specification applicable to electromechanical all-or-nothing telecom relays of assessed quality. Selects the appropriate methods of test to be used in detail specifications and contains basic test schedules to be used in the preparation of such specifications.
OVE/ONORM EN 61811-50:2003 - Identical
NEN EN IEC 61811-50:2002 - Identical
SS EN 61811-50 Ed. 1 (2002) - Identical
I.S. EN 61811-50:2002 - Identical
PN EN 61811-50:2006 - Identical
CEI EN 61811-50 Ed. 1 (2003) - Identical
BS EN 61811-50:2002 - Identical
DIN EN 61811-50 (2002-11) - Identical
NF EN 61811-50:2003 - Identical
EN 61811-50:2002 - Identical
