46
7
ENVIRONMENTAL CONDITIONS
This equipment is designed to be safe at least under the following conditions (based on the IEC-1010-1):
Ŷ
Indoor use;
Ŷ
Altitude up to 2000 m;
Ŷ
Ambient temperature 5
o
C to 40
o
C
Ŷ
Maximum relative humidity 80% for temperature up to 31
o
C decreasing linearly to 50% relative humidity
at 40
o
C;
Ŷ
Mains supply voltage fluctuations not to exceed
㫧
10% of the nominal voltage;
Ŷ
Other supply voltage fluctuations as stated by the manufacturer;
Ŷ
Transient overvoltages according to Installation Categories (Overvoltage Categories) II; For mains
supply the minimum and normal category is II;
Ŷ
Pollution degree 2 in accordance with IEC 664.