What current kettle lead do i need

[footballguy]

I have a 600w psu that can go up to 44 amps but the input is 5Amps.Will a 5a kettle lead sufficent as most leads i have found are 5a or do i need one like a 13a one.
Cheers

 

[footballguy]

The input charactoristics are 230 vac , frequency 50-60 hz and current 5a