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ProLiant Servers (ML,DL,SL)
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HP ML 350 G6 - Power

Occasional Contributor

HP ML 350 G6 - Power


What is the allowable frequency range at 50 Hz for a HP Proliant ML 350 G6 server with single power supply.

We have 50 Hz supply in our country. When purchasing a UPS for this server, I have to specify the allowable output frequency range (e.g 50 Hz +/- 0.1% etc..)


Can someone please advise in this




Respected Contributor

Re: HP ML 350 G6 - Power

The quickspecs (http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c04286582) only say "50 to 60 Hz", it doesn't give a more detailed requirement.

I think you'll be fine with any commercially available UPS though. A 0.1% variation, for example, is hardly anything at 50Hz. They already design the power supply to handle a wide range of frequencies and voltages. Your frequency could probably have a variation of 1Hz (2%) and still be within spec.