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| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Energy-storage Type |
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1 | Rated voltage | KV | 12 |
2 | Rated frequency | HZ | 50/60 |
3 | Rated Current | A | 630,1250,1600, 2000, 2500, 3150, 4000 |
4 | Rated short-circuit breaking current | KA | 20, 25, 31.5, 40 |
5 | Rated short-circuit closing current (peak) | KA | 50,63,80,100 |
6 | Rated short time withstand current | KA | 20, 25, 31.5, 40 |
7 | Rated short-circuit duration | s | 4 |
8 | Nos. of rated short-circuit breaking current | Times | 50(30 above 40KA) |
9 | Rated operating sequence | 0-0.3s-CO-180s-CO/ 0-180s-CO-180s-CO(Above 40KA) | |
10 | Rated lightning impulse withstand voltage | KV | 75 |
11 | 1min power frequency withstand voltage | KV | 42 |
12 | Closing time | ms | ≤ 70 |
13 | opening time | ms | ≤ 50 |
14 | Mechanical life | Times | 30000 |
15 | Rated breaking current of single capacitor bank | A | 630 |
16 | Rated breaking current of back to backcapacitor bank | A | 400 |
17 | Contactopendistance | mm | 11±1 |
18 | Contact Over-travel | mm | 3.5±1 |
19 | Rated switch-on/off operating voltage | V | AC110/220,DC110/220 |
20 | Switch-off (rated voltage) | ms | 20~60 |
21 | Switch-on(rated voltage) | ms | 30~70 |
22 | Motor rated power | W | 70 (above 40KA: 100W) |
23 | Closing speed | m/s | 1.0±0.2 |
24 | Opening speed | m/s | 1.3±0.2 |
25 | Contact closing spring time | ms | ≤2 |
26 | Rated contact pressure | N | 20KA(2400±200) 25KA (2400±200) 31.5KA(3100±200) |
27 | Three phase closing opening asynchrony | ms | ≤2 |







