LW8-40.5 SF6 Circuit breaker high voltage 35KV Transmission line Tank type 35kV high voltage vacuum circuit breaker
Silicone rubber violet: heat resistance, cold resistance, dielectric resistance, ozone resistance and atmospheric aging resistance
Copper metal material: the product is made of red copper metal material and stainless steel, which is not rusty, easy to rust and good contact
Stainless steel shell: truly maintenance free performance
Item | Description | unit | Data | ||||
1 | Rated voltage | KV | 35 | ||||
2 | ceiling voltage | KV | 40.5 | ||||
3 | Rated insulation level | Lightning impulse withstand voltage (full wave peak) | KV | 185/215() | |||
Power frequency withstand voltage (1 minute) | KV | 95/118() | |||||
4 | Rated current | A | 1600/2000 | 1600/2000/2500/3150 | |||
5 | Mechanical life | Times | 5000 | 5000 | 3000 | 2000 | |
6 | Mechanical life rated pressure of sulfur hexafluoride gas (gauge pressure at 20 ºC) | Mpa | 0.35 | 0.38 | 0.45 | 0.5 | |
7 | Locking pressure (gauge pressure at 20 ºC) | Mpa | 0.3 | 0.33 | 0.4 | 0.45 | |
8 | Minimum operating ambient temperature | ºC | -40 | -30 | |||
9 | Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | 40 | |
10 | Rated short-circuit making current (peak) | kA | 50 | 63 | 80 | 100 | |
11 | Rated short-time withstand current (thermal stability current) | kA | 20 | 25 | 31.5 | 40 | |
12 | Cumulative breaking times under rated out of step breaking current and rated short-circuit | kA | 50 | 63 | 80 | 100 | |
13 | breaking current | kA | 5 | 6.3 | 8 | 10 | |
14 | Closing time (under rated operating voltage) | Times | 15 | 15 | 10 | 10 | |
15 | Opening time (under rated operating voltage) | s | <0.1 | ||||
16 | Rated operating sequence | s | <0.06 | ||||
17 | Rated opening and closing current of single capacitor bank | Open-0.3s-close open-180s-close open | |||||
18 | Rated short circuit duration | A | 400 | ||||
19 | Annual air leakage rate | s | 4 | ||||
20 | Moisture content of sulfur hexafluoride gas (at 20 ºC) | %/year | <1 | ||||
21 | Rated operating voltage of ct14 spring operating mechanism | Ppm(v/v) | <150 | ||||
22 | Voltage of closing coil and opening coil | v | AC 220/380V DC 48 110V 220V | ||||
23 | Energy storage motor voltage | v | AC 220V ,DC220V | ||||
24 | Sulfur hexafluoride gas weight | kg | 8 | ||||
25 | Weight of circuit breaker (including operating mechanism) | kg | 1400 |
LW8-40.5KV AIR CIRCUIT BREAKER