S9/S10 Series Oil type Power transformer 1.Capacity:30KVA~2500KVA 2.Voltage:11KV, 20KV, 33KV 3.Frequency: 50/60H 11KV, 33KV S9/S10 Series Oil type Power transformer1. Application ... voltage: H. V: 20, 11, 10.5, 10, 6.3, 6KV (Or as customer requirement) L. V.: 0.4 KV (Or ...