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.
WITHDRAWN
IEC 61811-50:1997 ED1
WITHDRAWN
IEC 61811-50:2002 ED2
99.60
Withdrawal effective
Jan 28, 2015