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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8/23
11. EFFICIENCY AND POWER LOSSES
3AC 400V 3AC 480V
Efficiency typ. 95.0% 94.8% 20A, 24V
Power losses typ. 25.3W 26.3W 20A, 24V
typ. 8.2W 10.0W 0A
Fig. 11-1 Efficiency vs. output current at 24V Fig. 11-2 Losses vs. output current at 24V
Efficiency
4 6 8 101214161820A
88
89
90
91
92
93
Output Current
94
95
96%
3x
400Vac
3x
480Vac
Power Losses
0 2 4 6 8 10 12 14 20A
0
5
10
15
20
Output Current
25
30W
16 18
3x
400Vac
3x
480Vac
Fig. 11-3 Efficiency vs. input voltage, 24V, 20A Fig. 11-4 Losses vs. input voltage, 24V, 20A
Efficiency
350 400 450 500 3x550 Va
c
94.2
94.4
94.6
94.8
Input Voltage
95.0
95.2
95.4%
Power Losses
350 400 450 500 3x550 Va
c
24.0
24.5
25.0
25.5
Input Voltage
26.0
26.5
27W