Datasheet

QT20.241, QT20.241-C1
Q-Series
24V, 20A, THREE PHASE INPUT
Oct. 2006 / Rev. 1.0 DS-QT20.241-EN
All parameters are specified at 24V, 20A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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5. AC-INPUT
AC input
nom. 3AC 380-480V Wide-range input, TN-, TT-, IT-Mains, see Fig. 5-1
Consult factory if one phase is earthed.
AC input range min. 3x 323-552Vac Continuous operation
min. 3x 280-323Vac Full power for 200ms, no damage between 0 and 280Vac
For 2-phase operation see section 27.7
Input frequency
nom. 50–60Hz ±6%
Turn-on voltage typ. 3x 263Vac Steady-state value, see Fig. 5-1
Shut-down voltage typ. 3x 242Vac Steady-state value, see Fig. 5-1
3AC 400V 3AC 480V
Input current typ. 0.79A 0.65A At 24V, 20A, all three phases equal voltage
See Fig. 5-3
Power factor *) typ. 0.94 0.95 At 24V, 20A, see Fig. 5-4
Start-up delay typ. 350ms 290ms See Fig. 5-2
Rise time typ. 30ms 30ms 0mF, 24V, 20A, see Fig. 5-2
typ. 40ms 40ms 20mF, 24V, 20A, see Fig. 5-2
Turn-on overshoot
max. 500mV 500mV See Fig. 5-2
*) The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit.
Fig. 5-1 Input voltage range Fig. 5-2 Turn-on behavior, definitions
Turn-on
323V
Rated input range
V
IN
P
OUT
280V 3x 552Vac
full power
for 200ms
Shut-down
Start-up
delay
Rise
Time
Overshoot
- 5%
Output
Voltage
Intput
Voltage
Fig. 5-3 Input current vs. output load at 24V Fig. 5-4 Power factor vs. output load
20A
2 4 6 8 10 12 14 16 18
0
0.1
0.2
0.3
0.4
0.5
0.6
0.8A
Input Current, typ.
0.7
Output Current
3
x
4
0
0
V
a
c
3
x
4
8
0
V
a
c
Power Factor, typ.
2 4 6 8 10 12 14 16 18 20
A
0.75
0.8
0.85
0.9
0.95
1.0
3x
400Vac
3x
480Vac
Output Current