KA combined current and voltage transformer up to 245 kV
KA combined instrument transformers unite a current transformer and an inductive voltage transformer in one housing. They are designed for substations up to 245 kV with limited area.
- Rated voltage
- up to 245 kV
- Primary current
- 1–5000 A
- Short-time withstand current
- up to 120 kA / 1 s
- Accuracy class
- up to 0.1
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Primary current 1–5000 A, short-time withstand current up to 120 kA / 1 s, accuracy class up to 0.1. The insulation is oil-paper with capacitive grading. The design is outdoor. The combined unit saves space in the open switchyard and simplifies the busbar connection of the bay. The unit works in both metering and protection circuits.
Technical specifications
| Rated voltage | up to 245 kV |
|---|---|
| Primary current | 1–5000 A |
| Short-time withstand current | up to 120 kA / 1 s |
| Accuracy class | up to 0.1 |
| Insulation | oil-paper with capacitive grading |
| Design | outdoor |
Replacement for
no direct analog (combined CT + VT were not mass-produced); pairs ТФЗМ-110Б + НАМИ-110, ТФЗМ-220Б + НКФ-220-58
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
KA combined current and voltage transformer up to 245 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8504 31 21 00 8504 31 29 00 |
|---|---|
| HS, 6 digits | 8504 31 |
| CN (EU) | 8504 31 21 8504 31 29 |
| HTSUS (USA) | 8504 31 20 00 |
| China customs tariff | 8504 31 10 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What does the KA transformer combine?
A current transformer and an inductive voltage transformer in one housing.
What parameters is KA designed for?
Voltage up to 245 kV, primary current 1–5000 A, short-time withstand current up to 120 kA / 1 s.
What substations is KA suitable for?
For substations up to 245 kV with limited area, outdoor design.
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