DIN EN IEC 63522-38 VDE 0435-2027-38:2025-11
Electrical relays – Testing and measurement
Part 38: Mechanical interlock
(IEC 63522-38:2025); German version EN IEC 63522-38:2025
Class/Status:
Standard,
valid
Released: 2025-11
VDE Art. No.: 0400726