
All parameters are specified at 24V, 10A, 230Vac, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.
6
Rockwell Automation Publication 1606-RM044A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
5. Input Inrush Current
An active inrush limitation circuit limits the input inrush current after turn-on of the input voltage and after short
input voltage interruptions.
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.
10A
peak
10A
peak
10A
peak
over
entire
temperature
range
typ.
5A
peak
4A
peak
7A
peak
over entire temperature range
Inrush energy
max.
4A
2
s 4A
2
s 4A
2
s
over entire temperature range
Inrush delay (A)
typ.
650ms
520ms
250ms
see (A) in Fig. 5-1
Fig. 5-1
Input inrush current, typical behavior
Input Current
Input Voltage
Output Voltage
A
A…. Inrush
delay
Input:
230Vac
Output:
24V, 10A
Ambient: 25°C
Upper curve:
Input current 2A / DIV
Middle curve: Input voltage 500V / DIV
Lower curve:
Output voltage 20V / DIV
Time basis:
100ms / DIV