KYN28A-12 (Z) (GZS1) nooca gaashaaman dhaqaaq-furan nooca AC biraha-xiran switchgear.It ku haboon saddex-waji AC 50HZ nidaamka korontada, loo isticmaalo helitaanka iyo qaybinta tamarta korontada iyo kantaroolka wareegga,
ilaalinta iyo la socodka.Alaabadani waxay u hoggaansamaan heerarka: GB3906 "3 ~ 35kV AC birta-ku-xiran switchgear", GB/T11022 "Standard Shuruudaha Farsamo ee Caadiga ah ee Beddelka Korantada Sare iyo Qalabka Xakamaynta", IEC60298 "Qiimay Voltage IkV iyo Qalabka Xakamaynta Qalabka AC".