Detailed Product Description

1. Working Condition
       Altitude:1000m and below;
      Environmental temperature is from:-15~40°C;
      Environmental humidity:
      Daily average of relative humidity≤95%
      Daily average saturated vapor pressure≤2.2×10-3Mpa
      Monthly average of relative humidity≤90%
      Monthly average saturated vapor pressure≤1.8×10-3Mp
      No operating in such environment as subject to dust, dirt, smog, corrosive/flammable gas, vapor and salt pollution.
      Earthquake intensity: No more than 8 degree
2. Technical Data
   
       Rated voltage: 10kV (highest voltage 12kV) 
       Rated current: 630A, 1250A, 1600A. 
       Rated short circuit breaking current: 20kA, 25kA, 31.5kA. 
       One minute power frequency withstand voltage (kV): 42 (phase ground), 48 (fracture) 
       Lighting impact withstand voltage (kV): 75 (phase ground ), 85 (fracture) 
       4s rated short-time withstand current (effective value): 20kA, 25kA, 31.5kA.
       Rated peak value withstand current (peak value): 50kA, 63kA, 80kA. 
       Rated short circuit making current (peak value): 50kA, 63kA, 80kA. 
       Rated individual capacitor bank breaking current: 630A 
       Rated back-to-back capacitor bank breaking current: 400A