12
Rockwell Automation Publication 1606-RM055B-EN-P - February 2017
Basic Power Supply 5 A
Efficiency and Power Loss
Attribute
AC 100V
AC 120V
AC 230V
Notes
Efficiency
typ
90.7%
91.2%
92.3%
at 24V, 5 A
Average
efficiency
(1)
typ
89.2%
89.4%
90.6%
25% at 1.25 A, 25% at 2.5 A,
25% at 3.75 A. 25% at 5 A
Power losses
typ
1.4 W
1.5 W
0.7 W
at 24V, 0 A
typ
7.0 W
7.4 W
6.0 W
at 24V, 2.5 A
typ
12.3 W
11.6 W
10.0 W
at 24V, 5 A
(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.
Figure 13 - Efficiency vs. Output Current, typ
Figure 15 - Power Losses vs. Output Current at 24V, typ
Figure 14 - Efficiency vs. Input Voltage at 24V, 5 A, typ
Figure 16 - Power Losses vs. Input Voltage at 24V, 5 A
Efficiency
0.5
86
87
88
89
90
91
92
85
93%
5A
2 2.5
4
1
3
a
c
b
Output Current
1.5
3.5
4.5
a) 100Vac
b) 120Vac
c) 230Vac
Power Losses
0
5
1
A
0
2
6
8
10
12W
4
2
3
4
Output Current
a) 100Vac
b) 120Vac
c) 230Vac
c
b
a
Efficiency
90
120
155
180
230 260Vac
87
88
89
90
Input Voltage
91
92
93%
Power Losses
6
8
10
12
14W
90
120
155
180
230 260Vac
Input Voltage
