IEC 61811-50 Ed. 2.0 en:2002
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Electromechanical all-or-nothing relays – Part 50: Sectional specification – Electromechanical all-or-nothing telecom relays of assessed quality
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.
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