Rockwell Automation 1606-XLS960F-3 Power Supply Reference Manual - Manual (Page 8)

All parameters are specified at 24V, 2.5A, 230Vac input, 25ªC ambient and after a 5 minutes run-in time unless noted otherwise.
8 Rockwell Automation Publication 1606-RM032A-EN-P — April 2014
Bulletin 1606 Switched Mode Power Supplies
7. Hold-up Time
3AC 400V *) 3AC 480V *)
Hold-up Time typ. 50ms 50ms at 48V, 10A, see Fig. 7-1
min. 40ms 40ms at 48V, 10A, see Fig. 7-1
typ. 25ms 25ms at 48V, 20A, see Fig. 7-1
min. 20ms 20ms at 48V, 20A, see Fig. 7-1
*) Curves and figures for operation on only two legs of a 3-phase system can be found in section 25.4.
Fig. 7-1 Hold-up time vs. input voltage Fig. 7-2 Shut-down behavior, definitions
0
10
20
30
40
50ms
320 360 400 440 3x480Vac
Input Voltage
Hold-up Time
48V, 10A, typ.
48V, 20A, typ.
48V, 10A, min.
48V, 20A, min. - 5%
Hold-up Time
Zero Transition
Output
Voltage
Input
Voltage