User manual
CS3.241
C–Series
24V, 3.3A, SINGLE PHASE INPUT
September. 2007 / Rev. 1.1 DS-CS3.241-EN
All parameters are specified at 24V, 3.3A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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10. EFFICIENCY AND POWER LOSSES
AC 100V AC 120V AC 230V
Efficiency typ. 86.4% 88.0% 89.8% 3.3A, 24V
Power losses typ. 1W 1.1W 1.8W 0A
typ. 5.4W 4.9W 5.9W 1.65A, 24V
typ. 12.5W 11.1W 9.1W 3.3A, 24V
Fig. 10-1 Efficiency vs. output current at 24V,
typ.
Fig. 10-2 Losses vs. output current at 24V, typ.
Efficiency
0.5 1.0 3.5
A
86
87
88
89
Output Current
90
91%
85
2.0 3.01.5 2.5
a) 100Vac
b) 120Vac
c) 230Vac
a
b
c
Power Losses
00.5 3.5
A
0
2
4
6
8
10
12W
1.0 1.5 2.0 2.5 3.0
Output Current
a) 100Vac
b) 120Vac
c) 230Vac
a
b
c
Fig. 10-3 Efficiency vs. input voltage, 24V,
3.3A, typ.
Fig. 10-4 Losses vs. input voltage, 24V, 3.3A,
typ.
Efficiency
85 120 155 190 225 260
Va
c
85
86
87
88
Input Voltage
69
90
91%
Power Losses
0
3
6
9
12
15
18W
85 120 155 190 225 260
Va
c
Input Voltage