Transformer Bushing insulator (30NF250) code:05124 Catalogue No . 05124 Type 30 NF 250 Material Porcelain Glaze Color Brown Creepage Distance (mm) 990 Voltage Rating /KV 30 Number Of Sheds 7 Nominal Current (A) 250 Power Frequency Flashover Voltage (kV) Wet 10 Dry 20 Power Frequency Withstand Voltage (kV) Wet 8 Dry 15 Weight (kg) 0.25 SiteAdmin2025-05-17T14:00:07+03:30