Siemens SINAMICS G120 - Page 69

Technical specifications
Power Module PM240
Hardware Installation Manual, 07/2009, A5E00807525B AD
69
Operational altitude derating
The figures below show the derating required according to altitude.
Installation altitude above sea level [m]
[ft]
Permissible output base load current [%]
High overload (HO ) and light overload (LO)
0
100
90
80
70
60
1000
3300
2000
6600
3000
9800
4000
13000
Current derating for altitude, FSA … FSF
Installation altitude above sea level [m]
[ft]
Permissible output base load current [%]
High overload (HO) and light overload (LO)
0
100
90
80
85
70
60
1000
3300
2000
6600
3000
9800
4000
13000
Current derating for altitude, FSGX
Installation altitude above sea level [m]
[ft]
Permissible input voltage [%]
0
100
90
80
77
70
60
1000
3300
2000
6600
3000
9800
4000
13000
Voltage derating for altitude, FSA … FSGX