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Whats the difference between these two power supplies

Discussion in 'Power Supplies' started by BundyRoy, Apr 18, 2014.

  1. BundyRoy

    BundyRoy Dedicated Elf

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    Both are from rays. similar wattage and cost. Which best and why.

    http://www.aliexpress.com/store/product/5V-400W-rain-proof-switch-mode-Power-Supply-AC120V-or-AC230V-input-DC5V-output/701799_1750596067.html

    http://www.aliexpress.com/store/product/350W-Dual-Output-Switching-Power-Supply-88-264VAC-input-12V-350W-output-CE-and-ROHS-approved/701799_289599951.html

    I think most people use the second one but just wanted to understand why. Is it easier connections or am I missing something altogether.
     
  2. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    The first one claims to be rain proof and is 400 watts

    The second one is what most have used in the past and is 350 watts

    Both are cheap power supplies so quality will most probably be similar

    Note the URL for the first one says its 5vdc but the actual description says 12vdc
     
  3. OP
    OP
    BundyRoy

    BundyRoy Dedicated Elf

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    Thanks fasteddy. I hadn't noticed the url address oddity. For what it's worth the sticker on top of the PSU says 12V.

    The first one (assuming for now it is 12V) claims to have some safety certifications. Do any of those mean anything in Australia.
     
  4. multicast

    multicast Senior Elf Generous Elf

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    CCC,CE,FCC,GS,RoHS

    CCC = China Complusary Certificate - Needed for use in China
    CE = For Europe, almost useless, as its just the manufacturer saying "we meet these standards:, no need to check
    FCC = USA, in theory means its not going to [font=arial, helvetica, sans-senif, simsun, 宋体]interfere with other systems at RF[/font]
    [font=arial, helvetica, sans-senif, simsun, 宋体]GS = Is a german Standard[/font]
    [font=arial, helvetica, sans-senif, simsun, 宋体]RoHS = is a international standard about Hazardous substances.[/font]

    [font=arial, helvetica, sans-senif, simsun, 宋体]What you need for Australia really is C-Tick.[/font]
     

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