PST-b 20/630 underground transformer substation up to 630 kVA
The PST-b 20/630 underground substation is designed for a transformer up to 630 kVA, MV up to 25 kV and LV up to 0.69 kV. The sealed monolithic concrete enclosure is installed under a sidewalk or a square where an above-ground packaged substation cannot be placed.
- Transformer rating
- up to 630 kVA
- MV / LV voltage
- up to 25 kV / up to 0.69 kV
- LV switchgear current
- up to 1250 A
- Internal arc withstand
- IAC-AB-16 kA-1 s
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The substation is equipped with TPM or Rotoblok SF MV switchgear and RN-W LV switchgear rated up to 1250 A. Internal arc withstand is IAC-AB-16 kA-1 s. The external height of the enclosure is 2800 mm, the internal height is 2050 mm, and the mass is 25 000 kg. This version suits dense urban development and pedestrian zones.
Technical specifications
| Transformer rating | up to 630 kVA |
|---|---|
| MV / LV voltage | up to 25 kV / up to 0.69 kV |
| LV switchgear current | up to 1250 A |
| Internal arc withstand | IAC-AB-16 kA-1 s |
| External / internal height | 2800 / 2050 mm |
| Mass | 25 000 kg |
Request a price and lead time
PST-b 20/630 underground transformer substation up to 630 kVA. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8537 20 91 00 |
|---|---|
| HS, 6 digits | 8537 20 |
| CN (EU) | 8537 20 91 |
| HTSUS (USA) | 8537 20 00 40 |
| China customs tariff | 8537 20 90 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What equipment is installed in the PST-b underground substation?
A transformer up to 630 kVA, TPM or Rotoblok SF MV switchgear and RN-W LV switchgear rated up to 1250 A.
What are the dimensions and mass of the substation?
External height 2800 mm, internal height 2050 mm, mass 25 000 kg.
Where is the PST-b underground substation used?
Under sidewalks and squares where an above-ground substation cannot be placed. The enclosure is sealed and monolithic.
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