- Transformers[2]
- Insulation Materials & Elements[10]
- Power Accessories[3]
- Electrical Ceramics[10]
- Other Electrical Equipment[4]
- Power Distribution Equipment[6]
- Fuses[10]
- Other Switches[10]
- Clamps[6]
- Other Hardware[5]
- Contact Person : Mr. Chai Jonson
- Company Name : Wenzhou Haivo Electrical Co., Ltd.
- Tel : 86-577-62836929
- Fax : 86-577-62836927
- Address : Zhejiang,YUEQING,CHONGSHI INDUSTRIAL ZONE,PANSHI,YUEQING,ZHEJIANG,CHINA,325602.
- Country/Region : China
- Zip : 325602
LW8(A)-40.5 Outdoor SF6 Circuit Breaker
LW8(A)-40.5 Outdoor SF6 Circuit Breaker
•summary:
The LW8A-40.5(W)T2000-31.5 outdoor type SF6 breaker finds its universal range of applications for the three-phases electrical system with alternating current 50HZ and rated voltage 40.5kv.It is used for controlling and protecting the electrical system and measuring the current transformers.
•Specification:
1 | Rated voltage (kv) | 40.5 | |
2 | Rated current (A) | 1600/2000 | |
3 | Rated insulating level | Power frequency withstand voltage (kv)/1min | 95 |
Thunder impulse withstand voltage (kv) | 185 | ||
4 | Rated short-circuit breaking current(KA ) | 25/31.5 | |
5 | Rated out-of –phase breaking current(KA ) | 7.9/10 | |
6 | Breaking current of earth fault in different phase(KA) | 27.4/34.8 | |
7 | Rated breaking current of single capacitor bank (A) | 400 | |
8 | Rated operating sequence | o-0.3s-co-180s-co | |
9 | Rated SF6 gas pressure (Mpa) | 0.5 | |
10 | Switch-off time (on rated voltage)ms | 40≥t≥30 | |
11 | Switch-on time(on rated voltage)ms | 80>t≥60 | |
12 | Rated short-circuit switch current (peak)kA | 63/80 | |
13 | Rated short-circuit duration time(s) | 4 | |
14 | Rated short time withstand current (KA) | 25/31.5 | |
15 | Rated peak value withstand current (KA) | 63/80 | |
16 | Mechanical life test (time) | 10000 | |
17 | Cumulative breaking times of rated short –circuit breaking current 31.5kA/40KA (time) | 20 | |
18 | Cumulative breaking times of rated current (time) | 2000 | |
19 | Annual leakage rate of SF6(%) | 0.5≥ | |
20 | Water content of SF6 (V/V)(PPm) | 150≥ | |
21 | Outer insulating leakage ratio distance (mm/kv) | ≥25≥31 | |
22 | Weight of the breaker (kg) | 1000 | |
LW8(A)-40.5 Outdoor SF6 Circuit Breaker
