DIN EN IEC 63522-48 VDE 0435-2027-48:2025-10
Electrical relays – Tests and measurements
Part 48: Contact failure rate test
(IEC 63522-48:2024); German version EN IEC 63522-48:2025
Class/Status:
Standard,
valid
Released: 2025-10
VDE Art. No.: 0400699