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Efficiency and Power
Losses
Figure 14 - Efficiency Versus Output Current, Typ
n y
95%
94
93
92
91
90
89
2
3
4
5
6
Figure 16 - Efficiency Versus Input Voltage at 10 A, Typ
E ciency
95%
94
93
92
91
90
Input Voltage
89
100
120
Efficiency
Average
(1)
efficiency
Power losses
(1) The average efficiency is an assumption for a typical application where the power supply is loaded with 25% of the nominal
load for 25% of the time, 50% of the nominal load for another 25% of the time, 75% of the nominal load for another 25% of
the time and with 100% of the nominal load for the rest of the time.
(a) 100Va
(b) 120Va
230Va
Output Curr nt
7
8
9 10
11
12A
180
230
264V AC
Rockwell Automation Publication 1606-RM110A-EN-P - July 2020
Redundancy Power Supply - 24V, 10 A, 240 W, Single-phase Input
AC 100V
AC 120V
Typ
92.2%
93.0%
Typ
91.9%
92.8%
Typ
91.8%
92.4%
Typ
4 W
3.7 W
Typ
11.3 W
10.7 W
Typ
20.3 W
18.1 W
Typ
25.4 W
22.3 W
Figure 15 - Losses Versus Output Current, Typ
Power Losses
30W
25
20
15
10
5
0
0 1
2
Figure 17 - Losses Versus Input Voltage at 10 A, Typ
Power Losses
24W
22
20
18
16
14
12
100
AC 230V
94.7%
At 10 A
94.6%
At 12 A (Power Boost)
25% at 2.5 A, 25% at 5 A,
93.9%
25% at 7.5 A. 25% at 10 A
2.9 W
At 0 A
8.6 W
At 5 A
13.4 W
At 10 A
16.4 W
At 12 A (Power Boost)
(a) 100V AC
(b) 120V AC
(c) 230V AC
Output Current
3 4
5
6 7
8
9 10
11
12A
Input Voltage
120
180
230
264V AC
13
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