DIN EN IEC 63522-9 VDE 0435-2027-9:2025-10
Electrical relays – Tests and measurements
Part 9: Climatic tests
(IEC 63522-9:2025); German version EN IEC 63522-9:2025
Class/Status:
Standard,
valid
Released: 2025-10
VDE Art. No.: 0400717