KYN28A-12 (Z) (GZS1) ụdị armored mmegharị-oghe ụdị AC metal-gbachiri switchgear.It kwesịrị ekwesị maka atọ-phase AC 50HZ ike usoro, eji maka ịnata na nkesa eletriki ike na sekit njikwa,
nchebe na nlekota oru.This ngwaahịa conforms ụkpụrụ: GB3906 "3 ~ 35kV AC metal-gbachiri switchgear", GB / T11022 "Standard Common Nka na ụzụ chọrọ maka High voltaji Switchgear na Control Equipment", IEC60298 "Rated Voltage IkV na n'elu AC mgba ọkụ-".