1. Vacuum interrupter is adopted without explosion danger and maintenance ; 2. Isolating blade and 3-phase iterrupter are in group operation , there is isolating open contacts in opening operation 3. Parts of the equipment body adopt completely stainless steel, the stainless steel and carbon steel with galvanizing plus ultra violet ray protection coating are sued for the base frame , thus ensuring normal operation of the equipment under outdoor environment ; 4. The type of installation mainly takes single pole operation and manual, motor or remote operation are available ; 5. It is used widely in mdification of distribution line like rural network, urban network and railway etc ; 6. It has such features as strong breaking ability, safety and reliability, long electrical endurance and suitable for frequent operation.
Ambient temperature:-10ºC-+40ºC Relative humidity:The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%. Earthquake intensity: not exceed 8 degrees. Saturated vapor pressure the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more Than1.8Kpa; The height above sea level:≤1000 m (Except special requirements) It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.
