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Guest Message by DevFuse
  • 0

UPS - transfer time

AutoFrank

Asked by AutoFrank,

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Question

AutoFrank    372

AutoFrank
Posted

Hi,

I'm looking to buy a UPS and see that some of them have a transfer time of 4 or 5 ms

Will this be acceptable for the HC2 or cause an issue ?

 

Thanks

-f

4 answers to this question

Recommended Posts

  • 0

petergebruers    1,265

petergebruers
Posted

Power suplies are designed with enough back-up energy stored to handle "a few lost mains cycles" so that is OK.

  • 0

muc    1

muc
Posted

Hi AutoFrank,

did you buy a VI (Line-Interactiv) UPS ?

Could you make a test ? (power failure, and HC2 continues business as usual?)

 

I'm really interested if up to 4 ms is acceptable for a HC2.

(I tend to buy a VFI (Double Conversion) UPS with a transfer time of 0 ms, just to make sure, but expensive.)

 

  • 0

AutoFrank    372

AutoFrank
  • Inquirer
    • Author
    Posted
    10 minutes ago, muc said:

    did you buy a VI (Line-Interactiv) UPS ?

     

    Hi @muc

    I purchased the Eaton 5E850iUSB (

    Please login or register to see this link.

    ) 

    I did test and it keeps the HC2 running without issue on a power outage 

    • Thanks 1
    • 0

    muc    1

    muc
    Posted

    Hi AutoFrank,

    thanks for your report

     

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