DMI 27 10 1 N, 990109, 990 109, Chống Sét Van, Chống Sét van DEHN 27 kV, Metal oxide arrester for medium-voltage systems 27 kV
DMI 27 10 1 N, 990109, 990 109, Chống Sét Van, Chống Sét van DEHN 27 kV, Metal oxide arrester for medium-voltage systems 27 kV
DMI 27 10 1 N, 990109, 990 109, Chống Sét Van, Chống Sét van DEHN 27 kV, Metal oxide arrester for medium-voltage systems 27 kV
https://www.dehn-international.com/store/p/en-DE/F125121/dehnmid
Download Part No. 990109 DMI 27 10 1 N
DEHNmid
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- Metal oxide arrester for medium-voltage systems up to 51 kV
- Nominal discharge current 10 kA (8/20 µs)
- High current withstand capability 100 kA (4/10 µs)
- For indoor and outdoor applications
- High temperature vulcanised (HTV) silicone enclosure
- Best performance in polluted systems
- Very high mechanical bending resistance
- Unbreakable at overloads
- Flexible installation
Details
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Sectional view of DMI .. 10 1 N or DMI .. 10 1 HPart No. 990109 DMI 27 10 1 N
GTIN 4013364102842, Customs tariff No.: 85354000, Gross weight: 2.00 kg, PU: 1.00 pc(s)
Images
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Additional information
Certificates
Technical data
| Nominal discharge current (8/20 µs) (In ) | 10 kA |
| High current impulse (4/10 µs) | 100 kA |
| Overload capacity | 20 kA |
| Line discharge class (1) | 1 (2.8 kJ/kV Ur) |
| Long-duration current impulse (1) | 250 A / 2000 µs |
| Rated voltage (a.c.) (Ur ) | 27 kV |
| Continuous operating voltage (a.c.) (MCOV) (UC ) | 21.6 kV |
| Temporary overvoltage (TOV) at 1 sec. (U1s ) | 31.1 kV |
| Temporary overvoltage (TOV) at 10 sec. (U10s ) | 29.4 kV |
| Residual voltage at 10 kA (1/2 µs) (ûres ) | 80.3 kV |
| Residual voltage at 5 kA (8/20 µs) (ûres ) | 69.8 kV |
| Residual voltage at 10 kA (8/20 µs) (ûres ) | 75.0 kV |
| Residual voltage at 20 kA (8/20 µs) (ûres ) | 83.3 kV |
| Residual voltage at 40 kA (8/20 µs) (ûres ) | 93.8 kV |
| Residual voltage at 125 A (40/100 µs) (ûres ) | 54.8 kV |
| Residual voltage at 250 A (40/100 µs) (ûres ) | 56.5 kV |
| Residual voltage at 500 A (40/100 µs) (ûres ) | 58.5 kV |
| Residual voltage at 1000 A (40/100 µs) (ûres ) | 60.8 kV |
| Residual voltage at 2000 A (40/100 µs) (ûres ) | 63.8 kV |
| Insulation of arrester housing / nominal power frequency withstand voltage (dry) (UPFWL ) | 82 kV |
| Insulation of arrester housing / nominal power frequency withstand voltage (wet) (UPFWL ) | 54 kV |
| Insulation of arrester housing / nominal lightning withstand voltage (ULIWL ) | 120 kV |
| Height (h ) | 244 mm |
| Number of shields | 4 |
| Creepage distance (+/- 5%) | 520 mm |
| Torsional strength | 78 Nm |
| Maximum permissible dynamic service load (MPDSL) | 230 Nm |
| Tensile strength | 1400 N |
| Ambient temperature (TA ) | -40 °C ... +55 °C |
| Altitude | up to 1000 m above sea level |
| Power frequency (fN ) | 16-62 Hz |
| Housing material | HTV silicone housing |
| Colour | auburn, RAL 3013 |
| Fittings | terminals, screws and nuts of stainless steel |
| Conductor clamp | up to Ø16 mm |
| Test standards | IEC 60099-4 |
