1) Rated voltage: 12-40.5KV
2) insulator: Porcelain or Polymer
3) No.of poles: 2 phase
4) Rated Current: 630A

 Use conditions:
1) The altitude above sea level does not surpass 3,000m
2) Surrounding air temperature:
a) Upper limit: +40°C
b) Lower limit general area: -30°C
c) High and cold area: -40°C
3) The wind pressure does not surpass 700Pa (equal to wind speed 34m/s)
4) The earthquake intensity does not surpass 8°
5) Not frequent fierce vibration place
6) The ordinary installment place should the not serious influence isolator insulation
and the electric conduction ability gas, the vapor, the chemical properties
deposition, the salt mist, the dust and other explosive, corrosive matter
7) Antifouling is suitable for the heavy contamination area, but should not have
causes of the fire and the explosive