... ,160,200,250,315,400,500,630,800,10003No-load tap changer±2*2.5%4Vector groupyyn0/dyn115Rated insulation levelLightning impulse ... and measuring circuitKV2.07Noise leveldB508Protection degreeIP349Cooling methodOil immersed: ONAN ZGS outdoor three phase dyn11/yyn0 pad mounted transformer