[
Underground Line
]
SF6 Gas Insulated Load Breaker Switch_Underground line
A device designed to provide stable power supply for sectionalizing and switching in urban underground distribution lines
[
Description
]- SF6 Gas insulated Load Breaker Switch is load switching device that uses SF6 gas as the insulating medium
- Enables safe switching of the circuit under load conditions
- The superior insulation performance of SF6 gas enables a compact design with high durability
- Designed with a sealed structure, it is resistant to external environments and requires minimal maintenance
[
Features
]- 01 Up to 6 way switchgear with earthing switch
- 02 Counter of operation times
- 03 Pressure gauge
- 04 SF6 gas insulation and interruption
- 05 Overpressure relief device
[
Advantages
]-
01
Simple operating mechanism
-
02
Switchgear vessel made of stainless steel
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03
Climate-independent
-
04
Easy installation and operation
-
05
Pure puffer techniques, no leakage current between open contacts
[
Specification
]| Item | RG1L | RG2L |
| Rated voltage | 17.5 | 24 |
| Rated continuous current | 630 | |
| Rated frequency | 50/60 | |
| Rated lightning impulse withstand voltage | 95/110 | 125/145 |
| Rated power frequency withstand voltage | 38/45 | 50/60 |
| Rated short-time withstand current | 12.5/16 | |
| Rated peak withstand current | 32.5/41.6 | |
| Rated duration of short circuit | 1 | |
| Rated short-circuit making current | 32.5/41.6 | |
| Mechanical endurance | 5,000 (M2) | |
| Rated Mainly active load breaking currents | 630 (E3) | |
| Rated cable-charging breaking currents | 25 | |
| Rated line-charging breaking-currents | 1.5 | |
| Operating time Close/Open | ≤ 1.5 | |
| Applied standard | IEC 62271-103 | |