DS DS/EN 60255-21-2
DS DSEN 60255-21-2 1996-FEB-14 Electrcal relays - Part 21 Vbraton shock bump and sesmc tests on measurng relays and protecton equpment - Secton 2 Shock and bump tests
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This standard includes two types of tests: - the shock test (on energized and non-energized specimen). - the bump test (on non-energized specimen). These requirements are applicable only to measuring relays and protection equipment in a new condition.