5
vacon • 60 Technical information
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5.3.2 NXA - Active front-end units
Table 18. Technical specifications for active front-end (AFE) drives
AC input
connection
Input voltage U
in
380-500 V
AC
; 525-690 V
AC
; -10%...+10%
Input frequency f
in
48-63 Hz
Starting delay FI9-FI13: 5 s
DC output
connection
Output voltage U
out
1.35 x U
in
x 1.1 (default DC bus voltage boosting is
110%)
Continuous output
current
I
H
: Ambient temperature max. +40°C,
overloadability 1.5 x I
H
(1 min./10 min.)
I
L
: Ambient temperature max. +40°C,
overloadability 1.1 x I
L
(1 min./10 min.)
Control
characteristics
Control method Open loop vector control
Switching frequency
NXA_xxxx 5: 3.6 kHz
NXA_xxxx 6: 3.6 kHz
Ambient
conditions
Ambient operating
temperature
–10°C (no frost)…+40°C: I
H
–10°C (no frost)…+40°C: I
L
1.5% derating for each 1°C above +40°C; maximum
temperature +50°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
EN 60721, unit in operation, Class 3C3.
IEC 721-3-3, unit in operation, Class 3S2.
Altitude
100% load capacity (no derating) up to 1000 m,
1.5% derating for each 100m above 1000 m.
Max. 2000 m (525-690 V
AC
) and 4000 m (380-500 V
AC
),
Relay I/O: max. 3000 m (240 V) and 4000 m (120 V)
Vibration
EN50178, EN60068-2-6
5-150 Hz
Vibration amplitude 1 mm (peak) at 3-15.8 Hz
Max acceleration 1 G at 15.8-150 Hz
Shock
EN50178, EN60068-2-27
UPS Drop Test (for applicable UPS weights)
Storage and shipping: max. 15 G, 11 ms (in package)
Enclosure class IP00/NEMA1 standard size in the kW/HP range.
EMC (at default
settings)
Immunity EN 61800-3 (2nd edition 2004), second environment
Safety
EN 50178 (1997), EN 60204-1 (1996-2009), EN 60950
(2000, 3. edition, as relevant), CE, UL, cUL, FI, GOST R,
IEC-EN 61800-5
(for approvals, see the unit nameplate)
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