Uch fazali UZIP I+II sinfidagi cheklov turi, TN-C yerga ulanish tizimiga ega tarmoqlar uchun. UO = 230 V AC.
Iimp(L/PEN) (10/350) = 12 kA. Imax(8/20) = 90 kA.
0A(В) - 1 chaqmoqdan himoya zonasida o'rnatiladi (GOST R MЭK 62305-1 va CO-153-34.21.122-2003 ga muvofiq).
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