LW9A-72.5 outdoor H.V.A.C porcelain SF6 circuit br
Time：2019-09-13
Source：
Browse：次
 Product Introduction |
 |
LW9A-72.5 outdoor H.V.A.C porcelain SF6 circuit breaker with spring operating mechanism ，is a new kind of circuit breaker with self-blast interrupter 。This product has reliable performance and stable operation, is both single-pole operating and there-pole operating.It can adapt our requirements of various environmental conditions.
technical parameters
sequence number Terms LW9A-72.5
1 Rated voltage kV 72.5
2 Rated current A 4000
3 Rated short-circuit breaking current kA 40
4 Rated short-time withstand current kA 40
5 Rated peak withstand current kA 100
6 Rated lightning impulse withstand voltage kV Across open breaks 350+60
To earth 350
7 Rated 1min power frequency
withstand voltage kV Across open breaks 160+42
To earth 160
8 mechanism spring
|
| |
Application |
| LW9A-72.5 outdoor H.V.A.C porcelain SF6 circuit breaker with spring operating mechanism ，is a new kind of circuit breaker with self-blast interrupter 。This product has reliable performance and stable operation, is both single-pole operating and there-pole operating.It can adapt our requirements of various environmental conditions |
