Polymer Coupling Insulators
- Reinforce insulation performance of COS and Arrester
- Light weight & easy installation
- Excellent mechanical strength
- Excellent insulation performance in contaminated environment
- Registered on KEPCO Qualified Supplier List
| Specification | Units | Characteristics |
| Contamination withstand voltage (ESDD 3.5 g/㎡) | kV | Over 7 |
| Power frequency dry withstand voltage (1min) | kV | 42 |
| Impulse withstand voltage (1.2×50㎲) | kV | Over 125 |
| Bending failing load | kg.f | 1,000 |
| Failing tensile load | kg.f | 1,000 |
| Length | mm | 265 |
| Leakage distance | mm | Over 420 |
