Vacon NX Active Front End User Manual page 47

Active Front End (AFE)
Derating as a function of installation altitude
120
100
80
60
40
20
0
0 500
Figure 24. Derating as the installation altitude 380-500 V
Derating as a function of installation altitude
102
100
98
96
94
92
90
88
86
84
0 500
Figure 25. Derating as the installation altitude 525-690 V
NOTE! If higher installation altitude is considered please contact Your nearest Vacon office.
24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com
1000 1500 2000
Installation altitude, m
1000 1500
Installation altitude, m
2500 3000 3500
2000
vacon • 45
Loadability %
4000
11255.emf
Loadability %
2500
11256.emf
4