Rockwell Automation 1606-XLP50E Power Supply Reference Manual - Manual (Page 8)

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. Efficiency and Power Losses
AC 100V AC 120V AC 230V
% 5 . 7 8 . p y t y c n e i c i f f E 88.4% 89.0% 2.1A, 24V
W 0A 3 . 1 W 7 . 0 W 6 . 0 . p y t Power losses
W 1.05A, 24V 4 . 4 W 1 . 4 W 0 . 4 . p y t
W 2.1A, 24V 2 . 6 W 6 . 6 W 2 . 7 . p y t
Fig. 11-1 Efficiency vs. output current at 24V Fig. 11-2 Losses vs. output current at 24V
Efficiency
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 . 2 3 . 0 0 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 Efficiency vs. input voltage, 24V, 2.1A Fig. 11-4 Losses vs. input voltage, 24V, 2.1A
Efficiency
85 120 155 190 225 260 Vac
85
86
87
88
Input Voltage
89
90
91%
Power Losses
5
6
7
8
Input Voltage
9W
85 120 155 190 225 260 Vac