♦ Altitude: <2000m;
♦ Air temperature: -40°C 〜+40°C; daily temperature change <25°C;
♦ Wind speed < 35m/s;
♦ Filthy level: IV;
♦ Installation places: No fire, explosion hazard, severe chemical corrosion or serious vibration;
♦ Earthquake intensity: <8 level.
NO | Item | Unit | Value | |
1 | Rated voltage | kV | 12 | |
2 | Power frequency withstand voltage (1min) | (dry) inter-phase, earth/fracture； | kV | 42/48 |
(wet) inter-phase, earth | 34 | |||
3 | Lightning impulse withstand voltage (interphase, earth/fracture) | kV | 75/85 | |
4 | Rated current | A | 630,1250 | |
5 | Rated frequency | Hz | 50 | |
6 | Rated short circuit breaking current | kA | 20, 25 | |
7 | Rated peak value withstand current (peak) | kA | 50, 63 | |
8 | Rated short time withstand current | kA | 20, 25 | |
9 | Rated short circuit making current | kA | 50, 63 | |
10 | Rated short circuit duration | S | 4 | |
11 | Rated operating sequence | Times | O-0.3S-CO-1 80S-CO | |
12 | Rated short circuit breaking current breaking number | Times | 30 | |
13 | Mechanical life | Times | 10000 | |
14 | Rated operation voltage (can be customized) | V | 220 | |
15 | Opening time | ms | ≤80 | |
16 | Closing time | ms | ≤120 | |
17 | Fully breaking time | ms | ≤100 | |
18 | Rated cable charging breaking current | A | 50 | |
19 | Grade |
| E2~C2~M2(10000) | |
20 | Rated short circuit breaking current breaking number | Times | 30 | |
General Structure Drawing
Installation ways
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