... : -30°C ~ +85°CDielectric Strength: 150% of rated voltage in oil, charging current limited to 5ADissipation Factor tanδ: N4700: ≤ 1 x 10 ... equipment, Welding equipment, Medical industrial equipment, high votlage power supply,High voltage dividers, High-voltage supply for gas lasers , High-voltage coupling devices , Power line coupling system ...