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Load switch with fuse and without fuse 02
- Load switch with fuse and without fuse 02
- Series Indoor AC H.V .Load Switch With Fuse And Without Fuse
- Use
- It s used in the ring network,city distribution and industrial equipment of l2kV and three-phase AC 50Hz to control load and short-cicuit.Because the switch with fuse protects transformer etc.more reliably than circuit breaker.it is especially suitable for ring network,double radial distribution and package substation.
- Technology Parameter
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Number Name Unit FN25—12D／
T630-20FN25—1 2D／
T100-31.51 Rated voltage KV 12 2 Rated frequency Hz 50 3 Rated current A 630 100 4 Rated insulating level 1min power frequency withstand voltage kV Arc room break30.to ground and interphase42.isolating break48 Lighting impulse resisting voltage(peak) To ground.interphase 75、isolation break 85 5 4S heat-stabling current kA 20 6 Rated machine stabling current(peak) 50 7 Rated closed switch-off current 630 50 8 Rated power load switch off current A 630 9 Rated cable charging switch off current 10 10 Rated transfer current 2000 11 Switch-0ff no-load transformer capacity kva 1250 1.5 12 Rated shert-circuit switch-off current 1.8 31.5 13 Rated shert-circuit controlly current(peak) kA 50 80(预期值)
Prospesctive value14 Earth switch rated heat-stabling current(2S) 20 15 Earth switch rated machine stabling current(peak) 50 16 on-and-off operating power rated voltage V DC220,110 AC220,110 17 Mechanical life(load switch/earth switch) 次(Times) 10000／2000
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