The product is a new generation of high voltage switch equipment developed by our factory .It is suitable for 10kV overhead distribution lines to on/off loading current. The design is novel, the structure is simple,the volume is small and the function is reliable.
Technical parameters:
S/N | Item | Unit | Number | |
1 | Rated voltage | kV | 12 | |
2 | Rated current | A | 630 | |
3 | Rated active load breaking current | A | 630 | |
4 | Rated closed loop breaking current | A | 630 | |
5 | Rated cable charging breaking current | A | 10 | |
6 | Rated power frequency withstand voltage within 1min | kV | 42/48 | |
7 | Rated switching impulse withstand voltage (Vacuum arcing chamber/ isolation clearance) | kV | 75/85 | |
8 | 4S Rated short-time withstand current | kA | 16(20) | |
9 | Rated peak withstand current | kA | 40(50) | |
10 | rated short circuit closingcurrent(peak value) | kA | 40(50) | |
11 | mechanical life | Time | 10000 | |
12 | Vacuum arcing chamber | Rated daylight | mm | 5±1 |
13 | overtravel | mm | ||
14 | average opening speed | m/s | 1.1±0.3 | |
15 | three-phase on/off synchronism | ms | ≤5(motor-driven) | |
16 | switching contact bounce time | ms | ≤3 | |
17 | daylight of isolation clearance | mm | ≥185 | |
18 | dc resistance of each phase main loop | μΩ | ≤200 | |
19 | Handle operating torque of on and off | N.m | ≤150/≤100 | |
20 | weight | Kg | 95 | |
