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UPS - transfer time


AutoFrank

Question

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

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4 answers to this question

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

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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.)

 

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  • 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 

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