Rotoblok / Rotoblok SF / Air / VCB — air-insulated medium-voltage switchgear up to 25 kV
The Rotoblok series covers modular indoor MV switchgear with air insulation for voltages up to 24–25 kV, 50 Hz. It is used in industrial and distribution networks. Cells of all versions, Rotoblok SF, Air and VCB, are compatible with each other.
- Rated voltage
- up to 24–25 kV, 50 Hz
- Rated current (VCB)
- 630 A
- Short-time withstand current (VCB)
- up to 16 kA (3 s) / 20 kA (1 s)
- Internal arc withstand (VCB)
- AFLR up to 16 kA (1 s)
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The Rotoblok VCB version uses a three-function vacuum circuit breaker-disconnector-earthing switch. The rated current of the VCB is 630 A, the short-time withstand current is up to 16 kA for 3 s or 20 kA for 1 s. Internal arc withstand AFLR is up to 16 kA (1 s), the degree of protection is IP 43. The cells are two-compartment, in a galvanized metal enclosure, with a single busbar system.
Technical specifications
| Rated voltage | up to 24–25 kV, 50 Hz |
|---|---|
| Rated current (VCB) | 630 A |
| Short-time withstand current (VCB) | up to 16 kA (3 s) / 20 kA (1 s) |
| Internal arc withstand (VCB) | AFLR up to 16 kA (1 s) |
| Degree of protection (VCB) | IP 43 |
| Design | two-compartment cells in a galvanized metal enclosure, single busbar system |
Request a price and lead time
Rotoblok / Rotoblok SF / Air / VCB — air-insulated medium-voltage switchgear 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 40 |
| 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 is Rotoblok rated for?
The rated voltage is up to 24–25 kV at a frequency of 50 Hz.
Which circuit breaker is installed in Rotoblok VCB?
A three-function vacuum circuit breaker-disconnector-earthing switch. The rated current is 630 A, the short-time withstand current is up to 16 kA (3 s) or 20 kA (1 s).
Can cells of different versions be combined?
Yes, cells of all Rotoblok versions are compatible with each other. The design is two-compartment, in a galvanized enclosure, with a single busbar system.
Similar equipment from other manufacturers
