Transformer Bushing insulator (30NF250) code:0525 Catalogue No . 0525 Type 30NF250 Material Porcelain Glaze Color Brown Nominal Creepage Distance (mm) 720 Number of Sheds 5 Nominal Current (A) 250 Lightning Impulse Withstand Voltage (kV) 170 Power Frequency Withstand Voltage (kV) Wet 80 Dry 110 Weight (kg) 8.8 SiteAdmin2020-07-06T11:22:10+04:30