الوصف

ZN****0.5 ultra-long life tpye vacuum circuit breaker is an indoor two-phase high-voltage electric equipment of AC*0HZ and rated voltage *0.5KV.It is applicable to indurstrial and mining enterprises,transformer substations and other power transmission and distribution systems,used as control and protection switch ;it is especially suitable for indurstries like metallurgy,arc steel and so on where require frequent operation ,serving as control and protection device. it complies with the standard GB******9.Characterized with resonable structure ,simple maintenance,safe and reliable operation. It can be equiped with CD*0II type spring operating mechanism or CT*9II type spring operating mechanism.

1) The altitude above sea level does not surpass ***0m
2) Surrounding air temperature:
a) Upper limit: **0°C
b) Lower limit general area: **0°C
c) High and cold area: **0°C
3) The wind pressure does not surpass 2.2kPa (equal to wind speed *4m/s)
4) Not frequent fierce vibration place
5) 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
6) Antifouling is suitable for the heavy contamination area, but should not have causes of the fire and the explosive