Service and Installation Conditions
Elevation:≤2000 (for 2000 above, please keep us informed )
Humidity: Daily average≤95%, monthly average≤90%
Pollution class: Class II
Seismic indensity: Horizontal acceleration ≤0.4, vertical acceleration ≤0.2
Additional consultation between the user and manufacture should be needed, if the switchgear is to be operated in the conditions not in conformity with the above ones.