50.00 5. 12. 2025.
CFDIS 27. 2. 2026.
IEC
TC 37/SC 37B
Međunarodni standard
This part of 61643 applies to surge isolation transformers (SITs) dedicated to surge mitigation and for connection to 50/60 Hz power circuits and equipment rated up to 1 000V rms. Surge and mitigation performance and standard methods for testing and rating were established.
PROJEKAT
IEC 61643-361 ED1
50.00
Evidentiranje podataka o definitivnom tekstu nacrta standarda
5. 12. 2025.
Zaštitne komponente niskonaponskih odvodnika prenapona - Deo 361: Prenaponski izolacioni transformatori (SITs) povezani na niskonaponski distributivni sistem - Zahtevi i metode ispitivanja
40.60 Završetak javne rasprave