• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
  • Climate change Standards and specifications support climate targets

    More information
  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information
Standards [CURRENT]

UNE-EN 60255-21-3
ELECTRICAL RELAYS. PART 21: VIBRATION, SHOCK, BUMP AND SEISMIC TEST ON MEASURING RELAYS AND PROTECTION EQUIPMENT. SECTION 3: SEISMIC TESTS.

Edition 1996-12-17
Original language Spanish
Price from 67.40 €
Table of contents