Input inrush current

The power supply is equipped with an active inrush current limiting circuit that limits the input inrush current to a very low value after power-up and after short interruptions of the input voltage.

 

 

3AC 400 V

3AC 480 V

 

Input inrush current*

Max.

10 A peak

10 A peak

temperature-independent

typically

3 A peak

3 A peak

Inrush energy

Max.

1 A² s

1 A² s

Inrush delay

typically

270 ms

220 ms

 

* The charge current of the interference suppression capacitors during the first few microseconds after switching on is not taken into account.

Input inrush current 1:
Typical Turn-on behavior at nominal load, 25°C ambient temperature