Reference Manual Instruction Manual

All parameters are specified at 24V, 2.5A, 230Vac input, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.
8 Rockwell Automation Publication 1606-RM007A-EN-P - February 2014
Bulletin 1606 Switched Mode Power Supplies
8. Efciency and Power Losses
AC 100V AC 120V AC 230V
Efciency typ. 86.5% 87.8% 89.7% at 24V, 2.5A (full load)
Power losses typ. 0.45W 0.5W 0.85W at 0A
typ. 4.0W 3.8W 4.0W at 24V, 1.25A (half load)
typ. 9.4W 8.3W 6.9W at 24V, 2.5A (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
82
86
90
80
92%
2.5A0.5 1.5 2.0
Output Current
1.0
84
88
a) 230Vac
b) 120Vac
c) 100Vac
b
c
a
Power Losses
0
1
4
8
0
9W
2.5A0.5 1.5 2.0
Output Current
1.0
2
6
b
c
a
3
7
a) 230Vac
b) 120Vac
c) 100Vac
5
Fig. 8-3 Efciency vs. input voltage at 24V,
2.5A, typ.
Fig. 8-4 Losses vs. input voltage at 24V, 2.5A,
typ.
Efciency
85 120
155
190 225 260Vac
Input Voltage
91%
86
88
90
89
87
85
Power Losses
0
2
4
6
8
10
12W
85 120
155
190 225 260Vac
Input Voltage