China Zw7-40.5 Outdoor Voltage Cacuum Breaker, Find details about China Breaker, Outdoor Voltage from Zw7-40.5 Outdoor Voltage Cacuum Breaker
The number series | project | unit | Date | ||
1 | Rate voltage | kv | 40.5 | ||
2 | Rated insulation level | power frequency withstand voltage | dry | 95 | |
wet | 80 | ||||
Lightning impulse withstand voltage | 185 | ||||
3 | Rated voltage | A | 1250,1600,2000 | ||
4 | Rated short circuit breaking current | kv | 20,25,31.5 | ||
5 | Rated operation sequence | separate-0.3merge separate -180s merge separate | |||
6 | Rated short circuit breaking times | times | 12 | ||
7 | Rated short circuit closing current | s | 50,63,80 | ||
8 | Rated peak withstand current | ||||
9 | Rated short-time withstand current | 20,25,31.5 | |||
10 | Rated short circuit continuous current | 4 | |||
11 | Average gate speed | m/s | 1.5±0.2 | ||
12 | Average closing speed | 0.7±0.2 | |||
13 | Bounce time of contact closing | m/s | ≤2 | ||
14 | Three phase closing time different | ||||
15 | closing time | ≤150 | |||
16 | Break time | ≤60 | |||
17 | Mechanical life | time | 10000 | ||
18 | Rated operation voltage and rated voltage in auxiliary circuit | v | DC220 ,110,24 | ||
AC220 , 110,24 | |||||
19 | DC resistance in each phase loop | uΩ | ≤100 | ||
20 | Static contact allows wear thickness | mm | 3 | ||
21 | weight | kg | 800 |