1, the use of environmental conditions

Altitude 1000-3000m;

The environment temperature: +40 ℃ upper limit, lower limit of normal in -30 ℃, -40 ℃ in alpine region;

Relative humidity: daily average value is greater than 95%, on average less than 90%;

Earthquake intensity does not exceed 8 degrees;

General installation place where gas, no serious effect of isolating switch insulation and conductive ability of steam, chemical deposition, salt spray, dust

And other explosive, corrosive substances;

2, the product use scope

GN19-12 (C) series of outdoor high-voltage isolating switch for rated voltage of 12KV AC 50H2 and below power system, with CS6-1 type human operating mechanism, as in a voltage and no load condition, close the circuit with, also have derived products and pollution prevention, and can be added with plateau type electric display device.