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.
IEC 61811-50 Ed. 2.0 b:2002 History
IEC 61811-50 Ed. 2.0 b:2002
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IEC 61811-50 Ed. 2.0 en:2002
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