TPM / TPM Air monobloc medium voltage ring main unit (RMU) up to 25 kV
TPM and TPM Air are compact indoor ring main units (RMU) for voltages up to 25 kV and a rated current of 630 A. They are used for secondary distribution in urban and industrial networks. The design allows expansion and remote control for Smart Grid.
- Rated voltage
- up to 25 kV (TPM Air up to 24 kV)
- Rated current
- 630 A
- Short-time withstand current
- 16 kA (3 s) / 20 kA (1 s) / 25 kA (3 s)
- Insulation
- TPM: SF6 gas; TPM Air: dry air and vacuum chambers, no SF6
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The TPM version has SF6 gas insulation and operates at voltages up to 25 kV. TPM Air is insulated with dry air, switching takes place in vacuum chambers, without SF6, and the voltage limit is 24 kV. Short-time withstand current is 16 kA (3 s), 20 kA (1 s) or 25 kA (3 s) depending on the version. The range includes line, transformer and bus-section units, circuit-breaker units and metering units. The devices comply with the standards PN-EN 62271-1, -100, -105, -200.
Technical specifications
| Rated voltage | up to 25 kV (TPM Air up to 24 kV) |
|---|---|
| Rated current | 630 A |
| Short-time withstand current | 16 kA (3 s) / 20 kA (1 s) / 25 kA (3 s) |
| Insulation | TPM: SF6 gas; TPM Air: dry air and vacuum chambers, no SF6 |
| Units | line, transformer, circuit-breaker, bus-section, metering |
| Standards | PN-EN 62271-1, -100, -105, -200 |
Request a price and lead time
TPM / TPM Air monobloc medium voltage ring main unit (RMU) up to 25 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8537 20 91 00 |
|---|---|
| HS, 6 digits | 8537 20 |
| CN (EU) | 8537 20 91 |
| HTSUS (USA) | 8537 20 00 20 |
| China customs tariff | 8537 20 90 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
How does TPM differ from TPM Air?
TPM is SF6 gas insulated and works up to 25 kV. TPM Air uses dry air and vacuum chambers without SF6, with voltage up to 24 kV.
What currents can the RMU withstand?
Rated current 630 A. Short-time withstand current 16 kA (3 s), 20 kA (1 s) or 25 kA (3 s).
What types of units are in the series?
Line, transformer, circuit-breaker, bus-section and metering units. The series complies with PN-EN 62271-1, -100, -105, -200.
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