WTSP-A jerin na'urar kariya ta haɓaka ta dace da TN-S, TN-CS,
TT, IT da dai sauransu, tsarin samar da wutar lantarki na AC 50/60Hz, <380V, shigar akan
haɗin gwiwa na LPZ1 ko LPZ2 da LPZ3. An tsara shi bisa ga
IEC61643-1, GB18802.1, yana ɗaukar daidaitattun dogo na 35mm, akwai
sakin gazawar da aka ɗora akan tsarin na'urar kariya ta karuwa,
Lokacin da SPD ta gaza cikin rushewa don zafi mai yawa da fiye da na yanzu,
sakin gazawar zai taimaka kayan aikin lantarki daban da
tsarin samar da wutar lantarki da ba da siginar nuni, ma'anar kore
na al'ada, ja yana nufin mara kyau, kuma ana iya maye gurbinsa don
module lokacin da yana aiki ƙarfin lantarki.
