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Efficiency and Power
Losses
Figure 12 - Efficiency vs. output current at 24V, typ
Efficiency
96%
95
94
93
92
91
90
89
88
4
6
Figure 14 - Efficiency vs. input voltage at 24V, 20 A, typ
Efficiency
96%
95
94
93
92
91
90
85
120
Attributes
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 25% of
the time, 75% of the nominal load for 25% of the time, and 100% of the nominal load for 25%
of the time.
(a) 100V AC
(b) 120V AC
(c) 230V AC
Output Current
8
10
12
14
16
18 20 A
Input Voltage
155
190
225 260 V AC
Rockwell Automation Publication 1606-RM104A-EN-P - July 2020
Values
AC 100V
AC 120V
Typ
93.6%
94.2%
Typ
93.4%
93.8%
Typ
5.7 W
4.6 W
Typ
15.6 W
14.8 W
Typ
32.8 W
29.6 W
Figure 13 - Losses vs. output current at 24V, typ
Power Losses
40 W
30
20
10
0
0
Figure 15 - Losses vs. input voltage at 24V, 20 A, typ
Power Losses
40 W
30
20
10
0
85
Notes
AC 230V
95.3%
At 24V, 20 A
25% at 5 A, 25% at 10 A,
94.5%
25% at 15 A, 25% at 20 A
3.5 W
At 24V, 0 A
13.2 W
At 24V, 10 A
23.7 W
At 24V, 20 A
(a) 100V AC
(b) 120V AC
(c) 230V AC
Output Current
2
4
6
8 10 12 14
16 18
Input Voltage
120
155
190
225 260 V AC
20 A
11
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