DIN EN IEC 63522-1 VDE 0435-2027-1:2026-06
Electrical relays – Tests and measurements
Part 1: Visual inspection and check of dimensions
(IEC 63522-1:2025); German version EN IEC 63522-1:2025
Class/Status:
Standard,
valid
Released: 2026-06
VDE Art. No.: 0400766

