Reference Manual

All parameters are specified at 24V, 0.63A, 230Vac input, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.
8 Rockwell Automation Publication 1606-RM004A-EN-P - January 2014
Bulletin 1606 Switched Mode Power Supplies
8. Efciency and Power Losses
AC 100V AC 120V AC 230V
Efciency typ. 85.0% 86.1% 85.1% at 24V, 0.63A (full load)
Power losses typ. 0.5W 0.55W 0.75W at 0A
typ. 1.5W 1.4W 1. 8W at 24V, 0.315A (half load)
typ. 2.7W 2.5W 2.7W at 24V, 0.63A (full load)
Fig. 8-1 Efciency vs. output current at 24V,
typ.
Fig. 8-2 Losses vs. output current at 24V,
typ.
Efciency
0.1
74
76
78
80
82
84
86
72
88%
0.7A0.3 0.4 0.6
Output Current
0.2 0.5
a) 100Vac
b) 120Vac
c) 230Vac
a
b
c
Power Losses
00.1 0.7
A
0
0.5
1.5
2.0
3W
2.5
0.2 0.3 0.4
Output Current
0.5 0.6
a) 100Vac
b) 120Vac
c) 230Vac
1.0
b
c
a
Fig. 8-3 Efciency vs. input voltage at 24V,
0.63A, typ.
Fig. 8-4 Losses vs. input voltage at 24V,
0.63A, typ.
Efciency
85 120
155
190 225 260Vac
82
83
84
85
86
87
88%
Input Voltage
Power Losses
1.75
2.25
2.50
2.75
3W
85 120
155
190 225 260Vac
2.00
Input Voltage