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QT40.481 Datasheet, PDF (4/28 Pages) PULS GmbH – THREE PHASE INPUT
Q-Series
QT40.481
48V, 20A, THREE PHASE INPUT
3. AC-INPUT
AC input
AC input range
Allowed voltage L to earth
Input frequency
Turn-on voltage
Shut-down voltage
nom. 3AC 380-480V
min.
max.
nom.
typ.
typ.
3x 323-576Vac
576Vac
50–60Hz
3x 305Vac
3x 275Vac
suitable for TN, TT and IT mains networks,
grounding of one phase is allowed except in UL 508
applications
continuous operation
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.
1.65A
1.35A
at 48V, 20A, symmetrical phase voltages,
see Fig. 3-3
Power factor*)
typ.
0.88
0.90
at 48V, 20A, see Fig. 3-4
Start-up delay
typ.
500ms
600ms
see Fig. 3-2
Rise time
typ.
23ms
23ms
at 48V, 20A, resistive load, 0mF see Fig. 3-2
typ.
47ms
47ms
at 48V, 20A, resistive load, 20mF see Fig. 3-2
Turn-on overshoot
max.
1V
1V
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
275V 305V 323V
VIN
576Vac
Fig. 3-3 Input current vs. output load at 48V
Input Current, typ.
1.6A
1.4 A: 3x 400Vac
A
1.2 B: 3x 480Vac
B
1.0
0.8
0.6
0.4
0.2
Output Current
0
2 4 6 8 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 48V
Power Factor, typ.
0.95
0.90
A: 3x 400Vac
B: 3x 480Vac
0.85
B
A
0.80
0.75
0.70
Output Current
2 4 6 8 10 12 14 16 18 20A
Dec. 2015 / Rev. 2.3 DS-QT40.481-EN
All parameters are specified at 48V, 20A, 3x400Vac, 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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