GN19-12 series indoor high-voltage isolation switch
·Overview
The GN19-12 series indoor high-voltage isolation relationship high-voltage switchgear is used in power systems with a rated voltage of 12KV, AC 50Hz and below. It is equipped with the CS6-1 manual operating mechanism and is used for opening and closing circuits under voltage and no load conditions. It also has derivative products such as anti fouling, high-altitude, and equipped with live display devices
·Environmental conditions for use
·Altitude not exceeding 1000m;
·Surrounding air temperature:- 25oC～ +40oC;
·Relative humidity of the surrounding environment: daily average not exceeding 95%, monthly average not exceeding 90%;
·The seismic intensity shall not exceed 8 degrees;
·Installation location: No fire, flammable, explosive Places with severe pollution, chemical corrosion, and severe vibration
·Switch model and meaning
·Main technical parameters
Model Rated Voltage (KV) Rated Voltage (V) 4-second Thermal Stability Current (KA) Dynamic Stability Current (KA)
GN19-12(C)400-12.5 12 400 12.5 31.5
GN19-12(C)630-20 630 20 50
GN19-12(C)1000-31.5 1000 31.5 80
GN19-12(C)1250-40 1250 40 100