Siemens PSU300B Manual page 64

Ambient conditions
Damaging gases
Atmospheric pressure
64
6EP1436-3BA10 (24 V/20 A)
6EP1424-3BA00 (12 V/20 A)
6EP1436-3BA20 (24 V/17 A)
6EP1437-3BA20 (24 V/30 A)
Tested according to:
EN 60068-2-42 sulfur dioxide
•
EN 60068-2-43 hydrogen sulfide
•
Operation:
1080 ... 795 hPa (-1000 ... +2000 m)
•
For operation at altitudes of 2000 m up to 6000 m above sea level:
•
output must be derated by -7.5 % / 1000 m or
the ambient temperature must be reduced by 5 K / 1000 m (see Figure 4-6
Mounting height derating (Page 23))
Overvoltage category:
•
III to 2000 m (EN 50178)
II from 2000 m to 6000 m (EN 50178)
II to 2000 m (EN 60950-1)
I from 2000 m to 6000 m (EN 60950-1)
Storage:
1080 ... 660 hPa (-1000 ...+3500 m)
•
6EP1456-3BA00 (48 V/10 A)
SITOP PSU300M/300B
Manual, 11.2014, C98130-A7574-A2-2-7629