40
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.
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