General information
2.7 Technical data
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2019, A5E36037884-007
77
2.7.2.3
Power derating
For deviating conditions (surrounding temperature > 40 °C or installation altitude > 1000 m
above sea level) the permissible torque/power must be determined from the following table.
Surrounding temperatures and installation altitudes are rounded off to 5 °C and 500 m
respectively.
Power derating as a function of the installation altitude and ambient temperature
Installation altitude above
sea level (m)
Surrounding temperature in °C
< 30
30 to 40
45
50
55
1000
1.07
1.00
0.96
0.92
0.87
1500
1.04
0.97
0.93
0.89
0.84
2000
1.00
0.94
0.90
0.86
0.82
2500
0.96
0.90
0.86
0.83
0.78
3000
0.92
0.86
0.82
0.79
0.75
3500
0.88
0.82
0.79
0.75
0.71
4000
0.82
0.77
0.74
0.71
0.67
