
VACUTAP VM vacuum OLTC for transformers 72.5–300 kV
Medium power VACUTAP VM vacuum on-load tap changer for power transformers of grids and power plants 72.5–300 kV. Through current is up to 650 A in three-phase and up to 1500 A in single-phase design, and a version for gas-insulated transformers is available.
- Highest voltage for equipment Um
- 72.5–300 kV
- Rated through current
- up to 650 A (3-phase), up to 1500 A (1-phase)
- Step voltage
- up to 3300 V
- Step capacity
- 3500 / 1625 kVA (1-phase/3-phase)
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Step voltage is up to 3300 V. Step capacity is 3500 kVA for single-phase and 1625 kVA for three-phase design. The number of positions is up to 22 without a pre-selector and up to 35 with a pre-selector. Besides the basic VM, the range includes the VMS and a gas-insulated design for transformers without oil.
Technical specifications
| Highest voltage for equipment Um | 72.5–300 kV |
|---|---|
| Rated through current | up to 650 A (3-phase), up to 1500 A (1-phase) |
| Step voltage | up to 3300 V |
| Step capacity | 3500 / 1625 kVA (1-phase/3-phase) |
| Number of positions | up to 22 without pre-selector, up to 35 with pre-selector |
| Designs | including VMS and gas-insulated |
Replacement for
no direct analogue (vacuum OLTCs) exists; the closest are OLTCs of type РНОА-110/1000, РНТА-35/200, РС-4, РС-9
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
VACUTAP VM vacuum OLTC for transformers 72.5–300 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8535 90 00 00 |
|---|---|
| HS, 6 digits | 8535 90 |
| CN (EU) | 8535 90 00 |
| HTSUS (USA) | 8535 90 80 60 |
| China customs tariff | 8535 90 00 90 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What voltage is the VACUTAP VM designed for?
Um 72.5–300 kV, for transformers of grids and power plants.
Is there a version for gas-insulated transformers?
Yes, besides the VM and VMS a gas-insulated design is available.
What are the step capacity and number of positions?
3500 kVA in single-phase and 1625 kVA in three-phase design. Up to 22 positions without a pre-selector and up to 35 with a pre-selector.
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