Key facts
- Brand
- Siemens
- Model
- 8DJ20
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-16
Start here
Siemens 8DJ20 Gas-Insulated Switchgear Catalog
The 8DJ20 switchgear is a factory‑assembled, type‑tested, metal‑enclosed medium‑voltage solution for indoor installation, suitable for compact substations, underground vaults, and harsh industrial environments. It offers up to five feeders, maintenance‑free operation, and a hermetically sealed primary enclosure that is climate‑independent.
The catalog details technical specifications such as rated voltage up to 24 kV, various current ratings, pressure levels, and optional equipment like HV HRC fuse assemblies, pressure absorber systems, and motor‑operated mechanisms. It also includes dimensions, mounting options, and safety features like capacitive voltage detection and logical mechanical interlocks.
Siemens 8DJ20 specifications
| Rated voltage (U) kV | 7.2, 12, 15, 17.5, 24 |
|---|---|
| Rated short‑duration insulation level kV | 20, 28, 36, 38, 50 |
| Rated lightning impulse voltage kV | 60, 75, 95, 95, 125 |
| Rated normal current for ring‑main feeders | 400 A or 630 A |
| Rated normal current for transformer feeders | 200 A |
| Rated filling pressure (absolute) | 1500 hPa |
| Minimum functional pressure (absolute) | 1300 hPa |
| Weight of HV HRC fuse assembly | ≈ 110 kg |
All Siemens 8DJ20 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum rated voltage of the 8DJ20 switchgear?
The 8DJ20 is rated for up to 24 kV.