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QT20.241 Datasheet, PDF (4/27 Pages) PULS GmbH – THREE PHASE INPUT
Q-Series
QT20.241, QT20.241-C1
24V, 20A, THREE PHASE INPUT
3. AC-INPUT
The unit is optimized to operate on a three phase system. An operation on only two legs of a three-phase system is
possible with slightly different parameters. See chapter 22.4 for details.
AC input
AC input range
Suitable mains systems
Allowed voltage L to Earth
Input frequency
Turn-on voltage
Shut-down voltage
nom.
min.
max.
nom.
typ.
typ.
3AC 380-480V
3x 323-552Vac
TN, TT, IT
400Vac
50–60Hz
3x 263Vac
3x 242Vac
Wide-range input
Continuous operation
Line (L) must not be earthed (grounded)
Continuous, IEC 60664-1
±6%
Steady-state value, load independent, see Fig. 3-1
Steady-state value, load independent, see Fig. 3-1
3AC 400V 3AC 480V
Input current
typ.
0.79A
0.65A
At 24V, 20A, see Fig. 3-3
Power factor*)
typ.
0.94
0.95
At 24V, 20A, see Fig. 3-4
Start-up delay
typ.
350ms
290ms
See Fig. 3-2
Rise time
typ.
30ms
30ms
At 24V, 20A, only resistive load see Fig. 3-2
typ.
40ms
40ms
At 24V, 20A, resistive load with an
additional 20mF capacitor
Turn-on overshoot
max.
500mV
500mV
See Fig. 3-2
*) The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit.
POUT
Fig. 3-1 Input voltage range
Rated input range
242V 263V 323V
VIN
552Vac
Fig. 3-3 Input current vs. output load at 24V
Input Current, typ.
0.8A
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2468
33xx440800VVacac
Output Current
10 12 14 16 18 20A
Fig. 3-2 Turn-on behavior, definitions
Input
Voltage
L1 L2 L3
Output
Voltage
- 5%
Start-up Rise
delay Time
Fig. 3-4 Power factor vs. output load at 24V
Power Factor, typ.
1.0
0.95
3x
480Vac
0.9
0.85
0.8
0.75
2
3x
400Vac
Output Current
4 6 8 10 12 14 16 18 20A
Oct. 2016 / Rev. 2.0 DS-QT20.241-EN
All parameters are specified at 24V, 20A, 3x 400Vac, 50Hz, symmetrical mains voltages, 25°C ambient and after a 5 minutes run-in
time unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0 Germany
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