
HRS — ring main unit monoblocks (RMU) 7.2–24 kV
HRS RMU monoblocks are made for 7.2/12 and 12/24 kV with a rated current of 630 A. Short-circuit current is 21 kA for 3 s. They are used in ring distribution networks.
- Models
- HRS-LLF, HRS-L (LBS), HRS-F (with fuses), HRS-V (with circuit breaker)
- Voltage
- 7.2/12 and 12/24 kV
- Current
- 630 A
- Short-circuit current
- 21 kA, 3 s
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The monoblock is equipped with load break switches, fuses or a vacuum circuit breaker. Available variants are HRS-LLF, HRS-L with an LBS load break switch, HRS-F with fuses and HRS-V with a vacuum circuit breaker. The fused version is usually installed on the transformer connection of a substation, and the vacuum circuit breaker on lines with relay protection. The monoblocks are built to IEC 62271-200.
Technical specifications
| Models | HRS-LLF, HRS-L (LBS), HRS-F (with fuses), HRS-V (with circuit breaker) |
|---|---|
| Voltage | 7.2/12 and 12/24 kV |
| Current | 630 A |
| Short-circuit current | 21 kA, 3 s |
| Standard | IEC 62271-200 |
Request a price and lead time
HRS — ring main unit monoblocks (RMU) 7.2–24 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
What voltage and current are the HRS monoblocks rated for?
Classes 7.2/12 and 12/24 kV, rated current 630 A, short-circuit current 21 kA for 3 s.
What switching devices can a monoblock have?
LBS load break switches, fuses, or a vacuum circuit breaker in the HRS-V model.
Which standard are the HRS RMUs built to?
To IEC 62271-200.
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