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Old 08 April 2019, 23:32   #21
Daedalus
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Quote:
Originally Posted by Hewitson View Post
Has this been tested? As I'm sure you're aware, it's quite common for Chinese power supply manufacturers to exaggerate their capabilities.
Like anywhere, you can get good and bad quality stuff from China. Given that the vast majority of the PSUs in the world are made in China, it's a little bit of an exaggeration to say "quite common", unless your experience is based entirely on buying unnamed, uncertified, cheap rubbish. If you stick to big, well known industrial suppliers like Mean Well, Artesyn, Traco and so on (and avoid the clones of them), you'll find they're all high quality, reliable PSUs and meet all their specs. If they didn't, they wouldn't be selling thousands of them to industry.

To directly answer the question, I have personally tested several different models of Mean Well supplies up to and beyond their ratings. All have performed within their rated tolerances all the way up.
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Old 09 April 2019, 00:07   #22
MartinW
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Originally Posted by Daedalus View Post
Like anywhere, you can get good and bad quality stuff from China.
And let's face it, Apple kit is made in China and regardless of what your opinion of it may or may not be, it's generally considered to be pretty good kit. Obviously that's generalising somewhat given the original comment was about power supplies but the point is valid.
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Old 09 April 2019, 06:48   #23
jlin_au
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If you need more power then you can also try one of the larger footprint, higher wattage Mean Well multi voltage switch mode power supply modules like the following current production 110 to 240 VAC 85W models:
o RQ-85B (quad DC voltage rails: 5V 7A, 12V 3.1A, -5V 0.5A, -12V 0.5A)
o RT-85B (triple DC voltage rails: 5V 8A, 12V 3.5A, -12V 0.5A)
They are larger than the RT-50B and will require a less tall but larger base footprint vented enclosure than either version of Amiga 500 power brick.
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Old 10 April 2019, 22:54   #24
mpattonm
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FYC: https://centuriontech.eu/product/nuovo_amiga/
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