LW9-72.5C outdoor H.V.A.C porcelain SF6 circuit br
Time：2019-09-13
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 Product Introduction |
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LW9-72.5C outdoor H.V.A.C porcelain SF6 circuit breaker with spring operating mechanism
And trolley，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 LW9-72.5C
1 Rated voltage kV 72.5
2 Rated current A 3150
3 Rated short-circuit breaking current kA 31.5
4 Rated short-time withstand current kA 31.5
5 Rated peak withstand current kA 80
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
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Application |
| LW9-72.5C outdoor H.V.A.C porcelain SF6 circuit breaker with spring operating mechanism and trolley，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. |
