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Print current pageProduct Description
- brief introduction
- technical parameter
- Product size
Application
FZN21-12D/T630-20, FZN21-12DR/T125-31.5 type high-voltage vacuum load break switch and fuse switch are operating in three-phase AC electrical 12kV, 50Hz power distribution system, with a compact, small size, light weight, long service life, high making and breaking ability, safe and reliable, and if load switch cooperated with fuse namely fuse switch can replace those fuses with higher cost, easy and convenient operation and maintenance
Type and meaning
Normal service conditions
Altitude: ≤ 1000m
Ambient air temperature: -15℃~+40℃,
Humidity:
Daily average value of relative humidity: ≤95%
Monthly average value of relative humidity: ≤90%
The ambient air is not significantly polluted by dust, smoke, corrosive and/or flammable gases, vapours or salt.
No severe vibration, inclination of less than 3 ° place.
Technical specifications
