CA current transformer, oil-paper insulated, up to 800 kV
CA current transformers with oil-paper insulation and cores in the upper part (live tank) for substations up to 800 kV. Primary current 1–5000 A, accuracy class up to 0.1, high stable accuracy for revenue metering and protection.
- Rated voltage
- up to 800 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
The short-time withstand current reaches 120 kA for 1 s. The cores are located in the upper part of the unit, in the head at high potential. The design is outdoor, for open switchyards of substations. The transformer is installed in revenue metering and relay protection circuits in networks up to 800 kV.
Technical specifications
| Rated voltage | up to 800 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, top-mounted cores (live tank) |
| Design | outdoor |
Replacement for
ТФЗМ-110Б, ТФЗМ-220Б, ТФУМ-330, ТФРМ-500, ТФРМ-750 (oil-filled)
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
CA current transformer, oil-paper insulated, up to 800 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8504 31 29 00 |
|---|---|
| HS, 6 digits | 8504 31 |
| CN (EU) | 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 voltage and primary current is CA available for?
Rated voltage up to 800 kV, primary current 1–5000 A.
What are the accuracy class and short-time withstand current?
Accuracy class up to 0.1, short-time withstand current up to 120 kA / 1 s.
Where are the transformer cores located?
The cores are in the upper part of the unit (live tank), and the insulation is oil-paper.
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