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298 posts

Ultimate Geek

# 223495 2-Oct-2017 14:17
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I am just wondering at what voltage would be considered a severe under voltage in NZ for electronics i.e. computers? 


Today I have seen as low 216V and I wonder if it is something to do with the strong winds...


I have a CyberPower PFC Sinewave Series 1500VA UPS and the maximum under voltage setting available for it to switch to battery in an under volt condition is 180V. Is 180V a little to low to still be running off mains power? 





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1775 posts

Uber Geek

  # 1876185 2-Oct-2017 15:34
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Most computers and associated electronics have switch mode power supplies that can work quite happily down to 110v. Printers can be more fussy

298 posts

Ultimate Geek

  # 1876237 2-Oct-2017 16:36
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Sounds like there's nothing to worry about with under voltage on the PC then...


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Uber Geek

  # 1876518 3-Oct-2017 09:30
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shk292: Most computers and associated electronics have switch mode power supplies that can work quite happily down to 110v. Printers can be more fussy


Laser printers shouldnt be plugged into the UPS though :-)

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Uber Geek


  # 1878222 6-Oct-2017 00:58
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In NZ the voltage should be 230V +/- 6%


It doesnt meet legal supply if it is less than 216.2V or more than 243.8V




I am regularly lodging overvoltage faults with our lines company for excessive voltage in rural areas. I once found a woolshed with a supply of 260V

Ray Taylor
Taylor Broadband (rural hawkes bay)

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For my general guide to extending your wireless network Click Here

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