Asco 7000 Series - Voltage Checks

Chapter 1 Overview 3
ASCO 7000 Series Medium Voltage Transfer Switch User Manual
1.4 Climate classes
 Ambient air temperture: -5°C to +40°C
 Site altitude: 1000m and below
 Relative humidity: max.95% for 24 hours, max. 90% for one month.
 Earthquake intensity is smaller than magnitude 8.
 Site without fire, blast danger, serious dirt and severe shocks.
The climate classes are classified according to IEC 60721-3-3 and GB 3906-2006.