
Safe-NET network transformers 300–2500 kVA for underground networks
Safe-NET network transformers rated 300–2500 kVA for underground secondary networks in large cities. They are installed in vaults, including flood-prone ones, and the tank with enhanced internal arc resistance is patented.
- Power
- 300–2500 kVA, 3-phase
- Primary voltage
- 2.4–34.5 kV
- Secondary voltage
- 216Y/125 – 480Y/277 V (up to 4330Y/2500 V)
- Insulating liquid
- mineral oil or natural ester
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Three-phase transformers with a primary voltage of 2.4–34.5 kV and a secondary voltage from 216Y/125 to 480Y/277 V, with an upper limit of 4330Y/2500 V. The tank withstands more than 11 MJ of arc energy. The insulating liquid is a choice of mineral oil or natural ester. The design complies with the IEEE C57.12.40 standard.
Technical specifications
| Power | 300–2500 kVA, 3-phase |
|---|---|
| Primary voltage | 2.4–34.5 kV |
| Secondary voltage | 216Y/125 – 480Y/277 V (up to 4330Y/2500 V) |
| Insulating liquid | mineral oil or natural ester |
| Tank | withstands more than 11 MJ of arc energy |
| Standard | IEEE C57.12.40 |
Replacement for
No direct analog; no underground network units; closest are ТМГ-…/10 in БКТП (prefabricated substations)
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
Safe-NET network transformers 300–2500 kVA for underground networks. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8504 21 00 00 8504 22 10 00 8504 22 90 00 |
|---|---|
| HS, 6 digits | 8504 22 |
| CN (EU) | 8504 21 00 8504 22 10 8504 22 90 |
| HTSUS (USA) | 8504 21 00 60 8504 21 00 80 8504 22 00 40 |
| China customs tariff | 8504 21 00 00 8504 22 00 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
Can the transformer be installed in a vault that floods?
Yes, Safe-NET is produced for underground vaults, including flooded ones. The transformer complies with IEEE C57.12.40.
What internal arc energy does the tank withstand?
The patented tank withstands more than 11 MJ of arc energy.
What voltages are available on the primary and secondary sides?
Primary 2.4–34.5 kV, secondary from 216Y/125 to 480Y/277 V, with an upper limit of 4330Y/2500 V.
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