Input inrush current – Rockwell Automation 1606-XLP30EQ Power Supply Reference Manual User Manual
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All parameters are specified at 124V, 1.3A, 230Vac input, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.
Rockwell Automation Publication 1606-RM006A-EN-P - January 2014
5
Bulletin 1606 Switched Mode Power Supplies
4. Input Inrush Current
A NTC limits the input inrush current after turn-on of the input voltage. The inrush current is input voltage and
ambient temperature dependent.
The charging current into EMI suppression capacitors is disregarded in the first microseconds after switch-on.
AC 100V
AC 120V
AC 230V
Inrush current
max.
19A
peak
22A
peak
44A
peak
40°C
ambient,
cold
start
typ.
15A
peak
18A
peak
35A
peak
40°C
ambient,
cold
start
Inrush energy
typ.
0.15A
2
s 0.2A
2
s 1.0A
2
s 40°C
ambient,
cold
start
Fig. 4-1 Input inrush current, typical behavior
Fig. 4-2 Input inrush current, zoom into first peak
Input Voltage
Input Current
Input Current
Input:
230Vac
Output:
24V, 1.3A
Ambient: 25°C
Upper curve:
Input current 5A/DIV
Lower curve:
Input voltage 500V/DIV
Time basis:
10ms / DIV
Input:
230Vac
Output:
24V, 1.3A
Ambient: 25°C
Input current 5A/DIV
Time basis:
400μs / DIV