Technical Data Type Rated Voltage Rate Mechanical Torsion ≥ Overall Height Insulation Distance Minimum Nominal Creep Distance 1 Min Power Frequency Withstand Voltage ≥ Lightning Fullwave Impulse Withstand Voltage ≥ Bend Torsion Dry Wet kV kN kN.m mm mm mm kV kV FZSW-66/8 66 8 2 770±1 620 1820 165 140 325 FZSW-66/10 66 10 3 770±1 620 1820 165 140 325 Materials of Produc…