DBD / DBX / DBI double-break disconnectors 72.5–420 kV
Double-break disconnectors with a rotating centre column for outdoor and indoor switchgear of 72.5–420 kV. Rated current from 630 to 4000 A, with integrated earthing switches or without them.
- DBD (formerly TFD)
- 72.5–245 kV, 1250–2800 A, 80/31.5–125/50 kA
- DBX (formerly TFX)
- 170–420 kV, 3150–4000 A, up to 160/63 kA
- DBI (formerly TID)
- 72.5–123 kV, 630–3150 A, indoor installation
- Earthing switches
- with one or two integrated earthing switches
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
DBD (formerly TFD) covers 72.5–245 kV and 1250–2800 A, with a short-time withstand current of 80/31.5–125/50 kA. DBX (formerly TFX) is rated for 170–420 kV and 3150–4000 A, with withstand up to 160/63 kA. DBI (formerly TID) is intended for indoor installation at 72.5–123 kV and 630–3150 A. The disconnector is supplied with one or two integrated earthing switches. The operating mechanism is motor-driven or manual.
Technical specifications
| DBD (formerly TFD) | 72.5–245 kV, 1250–2800 A, 80/31.5–125/50 kA |
|---|---|
| DBX (formerly TFX) | 170–420 kV, 3150–4000 A, up to 160/63 kA |
| DBI (formerly TID) | 72.5–123 kV, 630–3150 A, indoor installation |
| Earthing switches | with one or two integrated earthing switches |
| Operating mechanism | motor-driven or manual |
Request a price and lead time
DBD / DBX / DBI double-break disconnectors 72.5–420 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8535 30 90 00 |
|---|---|
| HS, 6 digits | 8535 30 |
| CN (EU) | 8535 30 90 |
| HTSUS (USA) | 8535 30 00 80 |
| China customs tariff | 8535 30 10 90 8535 30 20 90 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
Which disconnector model suits networks up to 420 kV?
DBX for 170–420 kV, 3150–4000 A, withstand up to 160/63 kA.
Is there a disconnector for indoor switchgear?
Yes, DBI for indoor installation at 72.5–123 kV and 630–3150 A.
How do the old designations TFD, TFX and TID correspond to the new ones?
TFD is now DBD, TFX is now DBX, and TID is now DBI.
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