| Marca | ROCKWILL |
| Numero modello | Indoor Ring Main Unit with Kiosk-10kV |
| tensione nominale | 24kV |
| frequenza nominale | 50/60Hz |
| Serie | RMR |
Description
The company adheres to the tenet of 'quality oriented, customer first', and develops innovative products for Electrical Transformer, 12kV High Voltage Switchgear, indoor distribution switchgear in the fierce market competition. We've got more than 10 years experience of production and export business. Hard work, enterprising, self-confidence and dedication are the spirit of our company employees. We uphold a rigorous scientific attitude, pragmatic work style, and honest business philosophy to create a better tomorrow with our customers! Our company adheres to the core values of 'pursuing excellence, teamwork and mutual achievement'! Facing the future, we will continue to control the quality of our products and meet market demands with better products and services.
ELectrical Panel 10 kV Air Insulated Switchgear Ring Main Unit
Ring Main Unit(RMU) with SF6 load switch as the main switch, the whole cabinet is suitable for power distribution automation, and it also has compact and expandable metal-enclosed switchgear. It has the characteristics of simple structure, flexible operation, reliable interlocking and convenient installation. The VCB series of permanent magnet mechanism can also be assembled with RCB.
Service environment
a) Air temperature: highest temperature: +40℃; lowest temperature: -5℃
b) Humidity: monthly average humidity 95%; daily average humidity 90%.
c) Maximum installation height: 2000m
d) Obviously there is no ambient air polluted by corrosive and combustible gas, steam, etc.
e) No frequent violent shaking

| No | Item | Unit | Parameter | ||
| 1 | Rated voltage | kV | 12 | 24 | 36 |
| 2 | Rated frequency | Hz | 50/60 | ||
| 3 | Rated current | A | 630/800 | 1630 | |
| 4 | 1 min power frequency withstand voltage(wet/dry) | kV | 38/48 | 50/60 | 70/80 |
| 5 | Lightning impulse withstand voltage | kV | 75 | 125/150 | 195 |
| 6 | Rated short circuit breaking current(peak) | kV | 80 | 63 | 50/40 |
| 7 | Rated active load and close circuit breaking current | kA | 63 | 50 | 50/40 |
| 8 | Rated transferring current | A | 1700 | 1200 | 800 |
| 9 | Rated short circuit making current(peak) | kA | 80 | 63 | 50/40 |
| 10 | Rated cable(line) charging breaking current | A | 50 and 10 | ||
| 11 | Cable charge breaking current in earthing fault | A | 20 | 20 | 50 |
| 12 | Rated withstand current(peak) | kA | 80 | 63 | 50/40 |
| 13 | Short time withstand current(2s) | kA | 31.5 | 25 | 16 |
| 14 | Mechanism life | Times | 5000 | 2000 | 2000 |