12KV RMU Electrical Distribution Box Intelligent Power Distribution Switchgear
RMU Indoor 12KV Ring Main Unit / Electrical Distribution Box
General
XGN15 series unit type AC metal enclosed switchgear is suitable for AC 50Hz 12KV/24kV power network, which is widely used in industrial and civil engineering and power supply terminal. Especially suitable for: urban residential area distribution, small secondary substation, sub section post, mining enterprises, shopping malls, airports, wind power farms, hospitals, stadiums, railways, tunnels, etc.
Service condition
A. Altitude :≤1000m (above sea level);
B. Ambient temperature: -25ºC~+40ºC;
C. Wind speed ≤34m/s
D. The spot should have no regularly exquisite shake.
Main technical data
Main parameter of FN26-12/24 FS6 load switch
| Item | Unit | Parameter | Parameter |
| Rated voltage | kV | 12 | 24 |
| Rated current | A | 630 | 630 |
| Rated short time withstand current | kA/s | 25/2 | 25/2 |
| Rated peak withstand current | kA | 63 | 63 |
| Rated short circuit making current | kA/times | 50/2 | 63/2 |
| 1 min power frequency withstand voltage | kV | 42 | 65 |
| Lightning impulse withstand voltage | kV | 75 | 125 |
| Mechanical life | Times | 10000 | 10000 |
| SF6 gas pressure(surface pressure in 20ºC) | Mpa | 0.04 | 0.04 |
| Yearly gas leakage rate | ≤1% | ≤1% |
Main technical parameter of cable connector
| Item | Unit | Parameter | Parameter |
| Rated voltage | kV | 12 | 24 |
| Rated current | A | 630 and below | 630 and below |
| Cross section of cable | mm2 | 25~400 | 35~400 |
| Resistance in connection point | μΩ | 40 | 45 |
| Partial discharge | pC/kV | ≤10/13 | ≤10/21.5 |
| Rated short time withstand current | kA/s | 20/3 | 25/2 |
| Rated peak withstand current | kA | 50 | 63 |
| 1 min power frequency withstand voltage | kV | 42 | 65 |
| Lightning impulse withstand voltage | kV | 75 | 125 |
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