TECHNICAL DATA
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4
4.2
Technical data
Input voltage U
in
380…500V; 525…690V; –10%…+10%
Input frequency
45…66 Hz
Connection to mains
Once per minute or less;
NX_0460 6 and NX_0502 6 once per 5 minutes and less
Mains
connection
Starting delay
5 s (may depend on options used)
Output voltage
0—U
in
Continuous output
current
Ambient temperature max. +40°C
See Table 4-1 and Table 4-2.
Starting current
I
S
for 2 s every 20 s
Output frequency
0…320 Hz; (higher with special SW)
Motor
connection
Frequency resolution
0.01 Hz
Control method
Frequency control U/f
Open Loop Vector Control
Closed Loop Vector Control
Switching frequency
NX_5:
NX_6:
1…6 kHz; Factory default 3.6 kHz *
1…6 kHz; Factory default 1.5 kHz *
Frequency reference
Analogue input
Panel reference
Resolution 0.1% (10-bit), accuracy ±1%
Resolution 0.01 Hz
Field weakening point
8…320 Hz
Acceleration time
0.1…3000 sec
Deceleration time
0.1…3000 sec
Control
characteristics
Braking torque
DC brake: 30% * T
N
(without brake option)
Ambient operating
temperature
–10°C (no frost)…+40ºC
Up to 50 °C with derating of 1.5%/°C
Storage temperature –40°C…+70°C
Relative humidity
0 to 95% RH, non-condensing, non-corrosive,
no dripping water
Air quality:
-
chemical vapours
-
mechanical particles
IEC 721-3-3, unit in operation, class 3C2
IEC 721-3-3, unit in operation, class 3S2
Altitude
100% load capacity (no derating) up to 1,000 m
1-% derating for each 100m above 1000; max. 3000m
Vibration
EN50178/EN60068-2-6
Displacement amplitude 0.25 mm (peak) at 5…31 Hz
Max acceleration 1 G at 31…150 Hz
Use anti-vibration mountings under the drive if extra
vibration resistance is required
Shock
EN50178, EN60068-2-27
Storage and shipping: max 15 G, 11 ms (in package)
Ambient
conditions
Enclosure class
IP21/NEMA1 standard in entire kW/HP range
IP54/NEMA12 option in entire kW/HP range
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*The rated currents in given ambient temperatures are achieved only when the switching frequency is
equal to or less than the factory default. Thermal management might reduce the switching frequency.
