Application: in the system of 50Hz, 40.5kV, for power distribution, circuit control and protection.
Standards: IEC 60298


Working conditions:
1 Ambient temperature: -15~+40
2 Altitude: 1000m and below
3 Relative humidity:
Daily average is no more than 95%;
Monthly average is no more than 90%;
Daily average of saturated water vapour is no more
than 2.2��10-3Mpa;
Monthly average of saturated water vapour is no more
than 1.8��10-3MPa.
4 Earthquake intensity: No more than magnitude 8
Remark: No operating at such places subject to flammable gas, chemical corrosion etc.
Note: To special conditions out of the above limit,
please contact us for consultation.