Input inrush current – Rockwell Automation 1606-XLS240E, -XLS240EA, -XLS240EC, -XLS240E-D Power Supply Reference Manual User Manual

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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

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