Active Front End (AFE) vacon • 33
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4
4.8 Active Front End power ratings
4.8.1 Vacon NXA; DC voltage 380–500 V
For dimensions of NXA units, see Table 8 and LCL filters Table 9.
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
4.8.2 Vacon NXA; DC voltage 525–690 V
For dimensions of NXA units, see Table 8 and LCL filters Table 9.
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 6. Power ratings of Vacon NXA, supply voltage 380–500 VAC
Type
Unit
Low oveload
(AC current)
High oveload
(AC current)
DC Power
(continuous)
Code Frame I
L-cont [A]
I
1min [A]
I
H-cont [A]
I
1min [A]
400 V mains
P [kW]
500 V mains
P [kW]
AFE
NXA_0261 5 FI9 261 287 205 308 175 229
NXA_0460 5 FI10 460 506 385 578 309 387
NXA_1300 5 FI13 1300 1430 1150 1725 874 1092
Table 7. Power ratings of Vacon NXA, supply voltage 525–690 VAC
Type
Unit
Low oveload
(AC current)
High oveload
(AC current)
DC Power
(continuous)
Code Frame I
L-cont [A]
I
1min [A]
I
H-cont [A]
I
1min [A]
690 V mains
P [kW]
AFE
NXA_0170 6 FI9 170 187 144 216 197
NXA_0325 6 FI10 325 358 261 392 377
NXA_1030 6 FI13 1030 1133 920 1380 1194