Rated switching lightning impulse withstand voltage 额定操作雷电冲击耐受电压
Test of rated impulse withstand voltage 额定冲击耐受电压试验
For 20kv products , the power frequency withstand voltage : 50 kv , the impulse withstand voltage : 125kv V级产品工频耐压70
Impulse withstand voltage 冲击耐压
Lightning impulse withstand voltage between phases , to earth insolating fracture : 185kv 215kv 雷电冲击耐受电压相间对地隔离断口: 185kv 215kv
Rated lighting impulse withstand voltage vacuum break , phase to ground isolation break 185 215 额定雷电冲击耐受电压真空断口对地隔离断口kv 185 215
Insulation level : for 6kva products , p . f withstand voltage : 25kv , impulse withstand voltage : 60kv for 10kva products , p . f withstand voltage : 35kv , impulse withstand voltage : 75kv 绝缘水平: 6kv级产品工频耐压25kv冲击耐压60kv 10kv级产品工频耐压35kv冲击耐压75kv