DW50 jerin na'ura mai wayo na nau'in kewayawa na duniya, ana amfani da shi zuwa AC 50 ko 60 Hz, ƙimar ƙarfin lantarki 600V(690V) da ƙasa, 200-6300A na yanzu, hanyar rarraba wutar lantarki. An yi amfani da shi don rarraba wutar lantarki da kewayen kariya da kayan wutar lantarki, hana wuce gona da iri, rancen ƙarfin lantarki, gajeriyar kewayawa, kurakuran ƙasa lokaci ɗaya da sauransu. Samfuran suna da aikin kariya na hankali, daidaitaccen zaɓin kariya na iya inganta amincin samar da wutar lantarki da kuma guje wa katsewar wutar lantarki mara amfani. Samun bude hanyar sadarwa ta hanyar sadarwa, na iya zama "sarrafa hudu", don saduwa da buƙatun cibiyar sarrafawa da tsarin sarrafa kansa. Ana iya amfani da na'urar da'ira sosai a tashoshin wutar lantarki, masana'antu, ma'adinai da manyan gine-gine na zamani, musamman tsarin rarraba ginin fasaha. A cikin wutar lantarki, ana amfani da ayyukan samar da wutar lantarki ta hanyar hasken rana, samfurin zai iya motsawa ko gaba a layi.

♦ Yanayin zafin jiki: -5 zuwa 40, matsakaicin yau da kullun ba fiye da 35 digiri centigrade (Ya wuce iyakar ƙimar mai amfani ya fara tuntuɓar kamfanin)
♦ Tsayi: Kasa da 2000m
♦ Yanayin yanayi: yanayin zafi na iska a cikin mafi girman zafin jiki 40 C kasa da 50%, ƙananan yanayin zafi na iya samun zafi mafi girma;
♦ Matakan gurɓata: rashin lafiya;
♦ Matsayin kariya: IP30;
♦ Sanya nau'ikan: ƙimar ƙarfin lantarki 660 (690 V) da mai katse wutar lantarki da kuma ƙarƙashin na'urar da ke datse wutar lantarki, na'urar wutar lantarki ta farko da ake amfani da ita don shigar da nau'in VI, da'ira mai ƙarfi da sarrafawa nau'in shigarwa na kewaye ll;
♦Sharuɗɗan shigarwa: kusurwar tsaye ba ta da ƙasa

5 (mai keɓewar mahaɗa bai wuce 15 ba), ƙayyadaddun shigarwa bisa ga buƙatun ƙayyadaddun bayanai
♦ Standard: GB14048.2.
♦ Bisa ga shigarwa: gyarawa, aljihun tebur
♦ Bisa ga sanduna: 3P 4P.
♦ Bisa ga aiki: lantarki aiki, manual aiki, (gyara, kiyayewa)
♦ Nau'in na'ura mai fashewa: mai sarrafawa mai hankali, ƙarƙashin ƙarfin lantarki na wucin gadi (ko jinkirin lokaci) na'urar tsinkewa, na'urar shunt tripping