Regular service conditions
Ambient air temperature: +40℃ for upper limit,-25°C for lower limit; Altitude: The altitude of the installation site shall not exceed 1000m; Ambient temperature: The daily average relative humidity is not greater than 95%, and the monthly average relative humidity is not greater than 90%.
Seismic intensity no more than 8 degrees; The ambient air is free of corrosive or combustible gases, water vapour, etc.
No serious pollution or frequent violent vibration. The harshness design under harsh conditions shall meet the requirements of Class 1.
Special working conditions
When used in excess of the normal environmental conditions specified in GB3906 and these technical conditions, the user and the manufacturer shall negotiate it.