KYN550-12 babban ƙarfin lantarki mai sauyawa shine mai sauyawa mai ƙarfi wanda Zhongmeng Electric ya haɓaka kuma ya ƙera. Wannan abu ne mafi kyau fiye da dakunan dakuna 28.
KYN550-12 ƙaramin kayan aiki na yau da kullun yana ɗaya daga cikin ƙananan ƙananan na'urorin keɓaɓɓun kayan aiki, masu dacewa da cikakkun saiti na 10kV uku-lokaci AC 50Hz busbar guda ɗaya da busbar kayan aiki. Ana amfani dashi galibi don rarraba wutar lantarki a cikin tashoshin wutar lantarki, masana'antu da kamfanonin hakar ma'adinai, da kuma sauyawa na biyu da watsa tsarin wutar lantarki, da kuma fara manyan injina masu ƙarfin lantarki, don manufar sarrafawa, karewa, da saka idanu.
KYN550-12 samfurin sabon ƙarni ne na matsakaiciyar ƙarfin lantarki mai sanyaya iska mai ƙarfe mai ƙarfe mai ƙarfe mai ƙarfe wanda aka haɓaka tare da ci gaba da ci gaban fasahar matsakaiciyar ƙarfin lantarki. Yana bin halaye da ƙayyadaddun aiki na samfuran jerin KYN28A-12, kuma ya inganta manyan fasahohi kamar fasahar rufi, kula da haɓakar zafin jiki, da nisan tafiya. A ƙarshe, ba kawai ya sami ƙaramin girma ba, amma kuma ya wuce samfuran samfuran KYN28A-12 na yanzu dangane da alamun fasaha. Babban samfurin samar da wutar lantarki ne da ake buƙata don cibiyoyin wutar lantarki na gaba don adana ƙasa, amfani da makamashi, kulawa, da faɗaɗa ƙarfin aiki a matakan ƙarfin lantarki na 12kV.