... SC( B)10, can be used as the renewed oil immersed type, be applicable to the power plant, high buildings, commerce center, theater, ... sea ports, bus station, airports, , subway, tunnel, underground work and other important places. Technique specification: 1. voltage step:6-35KV ... withstand voltage 125 KV 3)35 KV class product: power frequency withstand voltage 70 KV, impulse withstand voltage 170 ...