Rockwell Automation 1606-XLE96B-2 Power Supply Reference Manual - Manual (Page 7)

All parameters are specified at 12V, 2.5A,230Vac input, 25ªC ambient and after a 5 minutes run-in time, unless noted otherwise.
Rockwell Automation Publication 1606-RM030A-EN-P — April 2014 7
Bulletin 1606 Switched Mode Power Supplies
7. Hold-up Time
AC 400V AC 480V
Hold-up Time typ. 33ms 58ms at 12V, 8A, see Fig. 7-1
typ. 63ms 110ms at 12V, 4A, see Fig. 7-1
Fig. 7-1 Hold-up time vs. input voltage Fig. 7-2 Shut-down behavior, definitions
0
25
50
75
100ms
320 360 400 440 480Vac
Input Voltage
Hold-up Time at 12Vdc
4A
, t
yp
.
8A,
min
. 8A,
typ
.
4A
, mi
n.
- 5%
Hold-up Time
Zero Transition
Output
Voltage
Input
Voltage