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PRODUCTS IEC standard Fog type profile HV glass suspension insulator 70 kN HV glass suspension insulator U70BSP
PRODUCTS IEC standard Fog type profile HV glass suspension insulator 70 kN HV glass suspension insulator U70BSPHV glass suspension insulator U70BSP
The suspended glass insulator U70BSP is used for insulation and wires and thunder-proof cables fastening on power transmission lines, in switchgears in electrical power system with 1000 V and 100 Hz.
It is used at the range of -60 °C + 50 °C.
| Class IEC1 | U70BSP |
| Class GOST2 | PSV70A |
| Minimum mechanical failing load, kN | 70 |
| Minimum mechanical residual strength, kN3 | 56 |
| Diameter of the insulating part, (D), mm | 280 |
| Spacing, (H), mm | 127 |
| Nominal creepage distance, mm | 445 |
| Ball and socket coupling (d), mm4 | 16 |
| Puncture voltage in insulating medium, kV5 | 130 |
| Dry lightning impulse withstand voltage, kV5 (a. One unit, +/- , kV) | 125/125 |
| Dry lightning impulse withstand voltage, kV5 (b. Short standard string (5 units), kV) | 465/465 |
| Wet power-frequency withstand voltage, kV 5 (a. One unit, kV) | 50 |
| Wet power-frequency withstand voltage, kV 5 (b. Short standard string (5 units), kV) | 195 |
| Power frequency withstand voltage, dry, kV | 50 |
| Power frequency withstand voltage, wet, kV | 85 |
| Radio interference voltage, dB/kV | 60/20 86/30 |
| Zinc coating mass, not less than, g/m2 | 600 |
| Weight, kg | 5,7 |
