Reference Manual Instruction Manual

All parameters are specified at 24V, 2.5A, 230Vac input, 25ªC ambient and after a 5 minutes run-in time unless noted otherwise.
4 Rockwell Automation Publication 1606-RM032A-EN-P — April 2014
Bulletin 1606 Switched Mode Power Supplies
3. AC Input
AC input nom. 3AC 380-480V suitable for TN, TT and IT mains networks,
grounding of one phase is allowed except in UL 508
applications
AC input range min. 3x 323-576Vac continuous operation
Allowed voltage L to earth max. 576Vac continuous, IEC 60664-1
Input frequency nom. 50–60Hz ±6%
Turn-on voltage typ. 3x 305Vac steady-state value, load independent, see Fig. 3-1
Shut-down voltage typ. 3x 275Vac steady-state value, load independent, see Fig. 3-1
3AC 400V 3AC 480V
Input current typ. 1.65A 1.35A at 48V, 20A, symmetrical phase voltages,
see Fig. 3-3
Power factor
*)
typ. 0.88 0.90 at 48V, 20A, see Fig. 3-4
Start-up delay typ. 500ms 600ms see Fig. 3-2
Rise time typ. 23ms 23ms at 48V, 20A, resistive load, 0mF see Fig. 3-2
typ. 47ms 47ms at 48V, 20A, resistive load, 20mF see Fig. 3-2
Turn-on overshoot max. 1V 1V see Fig. 3-2
*) The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit.
Fig. 3-1 Input voltage range Fig. 3-2 Turn-on behavior, denitions
Turn-on
323V
Rated input range
V
IN
P
OUT
275V 576Vac
Shut-down
305V
Start-up
delay
Rise
Time
Overshoot
- 5%
Output
Voltage
Input
Voltage
L1 L2 L3
Fig. 3-3 Input current vs. output load at 48V Fig. 3-4 Power factor vs. output load at 48V
20A
2 4 6 8 10 12 14 16 18
0
0.2
0.4
0.6
0.8
1.0
1.2
1.6A
Input Current, typ.
1.4
Output Current
A: 3x 400Vac
B: 3x 480Vac
A
B
Power Factor, typ.
2 4 6 8 10 12 14 16 18 20A
0.70
0.75
0.80
0.85
0.90
0.95
Output Current
A: 3x 400Vac
B: 3x 480Vac
A
B