VACUTAP VBO bolt-on vacuum resistor-type OLTC up to 40 kV
The VACUTAP VBO is a bolt-on vacuum resistor-type OLTC with a direct drive for transformers up to 40 kV. Its connection dimensions are compatible with existing designs, so it is chosen to replace old tap changers.
- Highest voltage for equipment
- 40 kV
- Rated through current
- 400 A (3-phase)
- Step voltage
- up to 825 V
- Step capacity
- 330 kVA
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The through current is 400 A in the three-phase version, step voltage up to 825 V and step capacity 330 kVA. The number of positions is 17 without a pre-selector and 33 with a pre-selector. The short-time withstand current is 4 kA for 3 s, and the impulse withstand voltage is 200 kV. The tap changer is operated by the ETOS ID direct drive.
Technical specifications
| Highest voltage for equipment | 40 kV |
|---|---|
| Rated through current | 400 A (3-phase) |
| Step voltage | up to 825 V |
| Step capacity | 330 kVA |
| Number of positions | 17 without pre-selector / 33 with pre-selector |
| Short-time withstand current | 4 kA, 3 s |
| Impulse withstand voltage | 200 kV |
| Drive | direct, ETOS ID |
Replacement for
no direct analog (vacuum OLTC) exists; the closest are OLTC of types 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 VBO bolt-on vacuum resistor-type OLTC up to 40 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
Is the VACUTAP VBO suitable for replacing an old OLTC?
Yes, the connection dimensions are compatible with existing designs. The tap changer is rated for transformers up to 40 kV.
What are the current and step capacity of the VBO?
Through current 400 A (3-phase), step voltage up to 825 V, step capacity 330 kVA.
How many positions does the tap changer have?
17 positions without a pre-selector and 33 with a pre-selector.
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