KSO SERIES SWITCHGEARS CAN BE USED FOR OPERATION IN THE FOLLOWING CONDITIONS:
• regarding the effect of climatic factors of the environment, climatic version of category 3 or 4 in accordance with GOST 15150 and GOST 15543;
• lower value of ambient air temperature in non-heated premises plus 1oС (for KSO series switchgears without heating meters) and minus 25oС (for KSO series switchgears with heating meters);
• upper and the effective values of ambient air temperature are plus 40oС and minus 35oС respectively;
• altitude above sea level shall be up to 1000 m;
• environment is non-explosive, not containing conductive dust, corrosive gases or vapors, which destroy metals and insulation.