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| Electricity switch equipments |
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| KYN28-12 type metal shielding mobile metal enclosed switch equipment |
Describe:
KYN28-12 type metal shielding mobile metal enclosed switch equipment midship type vacuum switch cabinet. Vacuum switch mainly adopts vacuum breakers like VD4、3AF、3AH、VSI、ZN12、ZN68A etc.。the product meets the standard like GB3906、DL404及IEC298 etc. it is applicable in single bus bar with 3～12K alternating current 50HZ and single bus bar sectional electric power system for receiving and power distribution use. It can be widely applied in all kinds of power plants, substations and industrial and mining enterprises. The product can be installed against the wall(not recommended ) and non against the wall.
Usage term:
Altitude: no more than 1000 m.
Surrounding air temperature: maximum + 40 ℃ minimum : --25 ℃.
Relative temperature:daily average no more than 95%, monthly average no more than 90 %.
Places without fire, explosion hazard, chemical erosion or violent vibration.
Technique data:
Reted voltage: 12KV
Reted currengt: 630～3150A
Reted short circuit currengt: 16、20、25、31.5、40KA
Reted tolerance currengt: 16、20、25、31.5、40KA/4s
Reted crest value tolerance currengt: 40、50、63、80、100KA
shape size （mm）: Breadth 800, 900 and 1000, deep 1500 and 1700, high 2300
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