FAQs
IEC 60947-3:2020/AMD1:2025
Amendment 1 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors,...
IEC 63522-48:2024/COR1:2025
Corrigendum 1 - Electrical relays - Tests and measurements - Part 48: Contact failure rate test
IEC 63522-49:2025
Electrical relays - Tests and measurements - Part 49: Long term stability of sealing
IEC 63522-27:2025
Electrical relays - Testing and measurement - Part 27: Electrical contact noise
IEC 63522-28:2025
Electrical relays - Tests and measurement - Part 28: Thermoelectric electromotive force (e.m.f.)
IEC 63522-37:2025
Electrical relays - Tests and measurements - Part 37: Terminal temperature rise at rated load
IEC 63522-38:2025
Electrical relays - Testing and measurement - Part 38: Mechanical interlock
IEC 63522-44:2025
Electrical relays - Tests and measurements - Part 44: Corrosive atmosphere due to salt mist
IEC 60794-1-216:2025
Optical fibre cables - Part 1-216: Generic specification - Basic optical cable test procedures...