Doug,
For -48 Vdc equipment, the 3rd edition of CSA/UL 60950 gives a "should" in
Annex NAB.2 unless "otherwise specified by the manufacturer..."
It is worth a look.
taniagr...@msn.com
- Original Message -
From: "Doug McKean"
To: "EMC-PSTC Discussion Group"
Sent: Friday, January 04, 2002 4:17 PM
Subject: Primary Power Range on a Product Label ...
>
> I've never had an NRTL actually tell me what the specific
> domestic voltage *should* be. Either one is okay. I'm fairly
> certain you could get by with 100-115 as well.
>
> You probably know already, but keep in mind the primary
> voltage range placed on the label of a product directly sets
> the upper (+6%) and lower (-10%) limits of HI/LO line
> testing at an NRTL.
>
> 100-120V yields 90 and 132
> 100-127V yields 90 and 135
>
> A difference of 3 volts on the upper side might not matter.
> Then again, it might.
>
> - Doug McKean
>
>
>
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