Spectral DMA-180S2 Fuses---2A or 4A on 220V?

Dear All,

I noticed on the rear board on DMA-180S2, showed" 4A 220V", but on the website of Spectral said 2A 220V? which one I can follow? many thanks.

picture:
http://www.whatsbestforum.com/attachment.php?attachmentid=15303&d=1398139439

simoncui04-23-2014 4:27am

detlof Details Discussions Posts This discussion Message User 1,899 posts 05-22-2014 at 08:10pm Copy Comment URL Report Comment Edit Delete Use the lower value just to be on the safe side. If it does not blow, you're fine. If it does time after time, go to 4A. I would imagine both values are slow blow.
simoncui OP Details Discussions Posts This discussion Message User 3 posts 07-06-2014 at 03:33am Copy Comment URL Report Comment Edit Delete Detlof, many thanks!