User Manual

All parameters are specified at 24V, 2.1A, 230Vac input, 25ªC ambient and after a 5 minutes run-in time unless noted otherwise.
8 Rockwell Automation Publication 1606-RM034A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
11. Eciency and Power Losses
AC 100V AC 120V AC 230V
%5.78 .pyt ycneiciffE 88.4% 89.0% 2.1A, 24V
W 0A3.1 W7.0 W6.0 .pytPower losses
W 1.05A, 24V4.4 W1.4 W0.4 .pyt
W 2.1A, 24V2.6 W6.6 W2.7 .pyt
Fig. 11-1 Eciency vs. output current at 24V Fig. 11-2 Losses vs. output current at 24V
Eciency
0.3
76
78
80
82
84
86
88
74
90%
2.1
A
0.9 1.2 1.8
Output Current
0.6 1.5
a) 100Vac
b) 120Vac
c) 230Vac
b
c
a
Power Losses
1.23.00
A
0
1
3
4
5
6
8W
2
7
0.6 0.9 1.2
Output Current
1.5 1.8
a) 100Vac
b) 120Vac
c) 230Vac
a
b
c
a
b
c
Fig. 11-3 Eciency vs. input voltage, 24V, 2.1A Fig. 11-4 Losses vs. input voltage, 24V, 2.1A
Eciency
85 120 155 190 225 260 Va
c
85
86
87
88
Input Voltage
89
90
91%
Power Losses
5
6
7
8
Input Voltage
9W
85 120 155 190 225 260 Va
c