Active Front End (AFE)
vacon • 37
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
4
4.8.2
VACON
®
NXA; DC voltage 525–690 V
For dimensions of NXA units, see Table 11 and LCL filters Table 12.
NOTE!
The rated currents in a given ambient (+40 °C) temperature are achieved only when the switching
frequency is equal to the factory default.
NOTE!
The motor output power: P
out
=P
dc
x (
η
INU
x
η
Motor
).
P
dc
= AFEs DC power
η
INU
= efficiency of the inverter
η
Motor
= efficiency of the motor
Table 10. Power ratings of VACON
®
NXA, supply voltage 525–690 VAC (UL 525-600V)
Type
Unit
Low overload
(AC current)
High overload
(AC current)
DC Power
(continuous)
Code
Enclosure
size
I
L-cont [A]
I
1min [A]
I
H-cont [A]
I
1min [A]
690 V mains
P [kW]
AFE
NXA_0125 6
FI9
125
138
100
150
145
NXA_0144 6
FI9
144
158
125
188
167
NXA_0170 6
FI9
170
187
144
216
197
NXA_0261 6
FI10
261
287
208
312
303
NXA_0325 6
FI10
325
358
261
392
377
NXA_0920 6
FI13
920
1012
820
1230
1067
NXA_1030 6
FI13
1030
1133
920
1380
1194