Outdoor ring main unit/ring net cage/box type switchgear DFW
Categories：Secondary distribution network products
Product Profile ：
The DFW-GRM-12 series outdoor ring main unit/ring net cage/box type switchgear has absorbed a large amount of advanced foreign technology and adopted high-tech components from both domestic and foreign sources, and its performance fully meets various national standards. Its connection combination method is simple, convenient, flexible, and has properties such as full insulation, full enclosure, corrosion resistance, maintenance free, safety and reliability. Widely used in urban industrial communities, residential areas, commercial centers, mining areas, large enterprises such as steel, automobiles, petroleum, chemical, cement, and other occasions for power distribution networks.
| Serial number | Name | Unit | Parameters |
| 1 | Rated voltage | KV | 12 |
| 2 | Rated current | A | 630 |
| 3 | Rated frequency | HZ | 50 |
| 4 | Lightning impulse withstand voltage | KV | 75 |
| 5 | Power frequency withstand voltage | KV | 42 |
| 6 | Loop resistance | u Ω | 200 |
| 7 | SF6 Gas rated pressure | MPa | 0.03 |
| 8 | SF6 Gas annual leakage rate | ≤0.01% |
Independent complete supply, standardized module configuration, low construction cost, small footprint, easy installation, flexible relocation, and maintenance free.
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