• 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]

UL 991
Tests for safety-related controls employing solid-state devices

Title (German)

Prüfungen für sicherheitstechnisch wichtige Regler mit Festkörperbauelementen

Edition 2004-10-22
Original language English
Price from 430.10 €
Table of contents