Заштитне компоненте нисконапонских одводника пренапона - Део 361: Пренапонски изолациони трансформатори (SITs) повезани на нисконапонски дистрибутивни систем - Захтеви и методе испитивања
Low-voltage surge protective components - Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system - Requirements and test methods
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.