| 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 |
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application |
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| 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 |
