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1.Unbreakable and light weight
2.Easiest handing and transportation
3.Water repelling surface
4.Long service life
5.Non-toxic,non-standing and recyclable

| Rated Voltage of system Line to Line up to | 15kV | ||
| Electrical performance | Low-Frequency withstand voltage | Dry/kV | 48kV/min |
| Wet/kV | 38kV/min | ||
| Low-Frequency flashover voltage | Dry/kV | 60kV | |
| Wet/kV | 48kV | ||
| Critical Impulse Flashover voltage | Pos/Kv | 85kV | |
| Neg/kV | 100kV | ||
| Creepage Distance(mm) | 295 | ||
| Mechanical Characteristics | Ultimate mechanical strength | 4500N | |
| Main Dimensions(mm) | Conductor Spacing Phase to Phase Minimum D | 210 | |
| Conductor Spacing Phase to Earth Minimum A | 205 | ||
| B | 208 | ||
| C | 290 | ||
| H | 350 | ||