VDE 0721-4. Safety in installations for electroheating and electromagnetic processing - Part 4: Particular requirements for arc furnace installations.

Norma vydaná dňa 1.7.2022

VDE 0721-4/A1. Safety in installations for electroheating and electromagnetic processing - Part 4: Particular requirements for arc furnace installations.

Zmena vydaná dňa 1.1.2026

VDE 0721-6. Safety in installations for electroheating and electromagnetic processing - Part 6: Particular requirements for high frequency dielectric and microwave heating and processing equipment.

Norma vydaná dňa 1.11.2024

VDE 0721-6/Ber.1. Safety in installations for electroheating and electromagnetic processing - Part 6: Particular requirements for high frequency dielectric and microwave heating and processing equipment.

Oprava vydaná dňa 1.10.2025

VDE 0721-7. Safety in electroheat installations - Part 7: Particular requirements for installations with electron guns.
(Bezpečnost u elektrotepelných zařízení - Část 7: Zvláštní požadavky na pece s elektronovými děly.)

Norma vydaná dňa 1.8.2009

VDE 0721-7/Ber.1. Safety in electroheat installations - Part 7: Particular requirements for installations with electron guns.

Oprava vydaná dňa 1.3.2010

VDE 0721-8. Safety in installations for electroheating and electromagnetic processing - Part 8: Particular requirements for electroslag remelting furnaces.

Norma vydaná dňa 1.2.2021

VDE 0470-1. Degrees of protection provided by enclosures (IP Code).
(Stupně ochrany krytem (krytí - IP kód).)

Norma vydaná dňa 1.9.2014

VDE 0470-1/Bbl.1. Degrees of protection provided by enclosures (IP Code); Supplement 1: Special tests for degrees of protection for enclosures with potting compound.

Norma vydaná dňa 1.8.2026

VDE 0470-1/Ber.1. Degrees of protection provided by enclosures (IP Code).

Oprava vydaná dňa 1.2.2017