26 Device Description
Compact Power
787-1200 Power supply
Manual
Version 1.0.0
3.5.6
Environmental Conditions
Table 17:
Technical Data ‒ Environmental Conditions
Property
Value
Surrounding air temperature, operation
−
25 … +70 °C
Derating (surrounding air temperature,
operation)
−2,6
%/K
1)
Relative humidity, operation (without
condensation)
20 … 90 %
Surrounding air temperature, storage
−
40 … +85 °C
Relative humidity, storage
10 … 95 %
Temperature coefficient
≤
±0.05 %/K
Operating altitude, max.
2000 m (3000 m for storage)
Derating (installation altitude); from
2000 m
−
2.5 W/1000 m
Overvoltage category
II
Vibration according to IEC 60068-2-6
1g: < 9 Hz: 3.5 mm, 90 min
2g: < 9 Hz: 3.5 mm, 90 min
Shock according to IEC 60068-2-27
15g / 11 ms
Pollution degree according to
IEC/EN 60664-1
2
Climatic category
3K3
RoHS II / Reach
Yes
1)
Greater than 55 °C, see figure “Derating – Surrounding air temperature”
Figure 10: Derating – Surrounding air temperature
Observe for long-term storage!
For long-term storage, power must be applied to equipment with built-in
capacitors at least every two years for five minutes.
