PRODUCTS
Underground Line
Feature
Opening and closing of load current of KEPCO underground distribution line
Maintenance free concept
Switchgear vessel made of stainless steel
Climate-independent
Easy installation and operation
| Rated voltage | 25.8kV | |
| Rated current | 600A | |
| Rated power frequency | 60Hz | |
| Ambient temperature | -30 ~ 40℃ | |
| Maximum altitude | 1,000 M | |
| Rated short-time withstand current | Main ciruit switch | 12.5(25)*kA 1sec |
| Earthing switch | 12.5(25)*kA 1sec | |
| Dielectric test | Lightning Impulse | 125kV BIL |
| Power frequency | 60kV/1MIN | |
| DC dielectric voltae | 78kV/15MIN | |
| Gas leak test | Gas leak | Less than 1 x 10-5 cc/sec |
| Rated filling pressure | 0.05 Mpa | |
| Dust and Water Proof | Tank | IP 67 |