Yes I once had a device that was SELV and this caused some confusion. We
designed it to meet EN61010 as it was a piece of lab equipment. It was powered
by a 5 volt, 40 amp power supply. We designed/tested for single component
faults, temperature, etc. In the end, a large safety testing company informed
us that no testing was required at all since it was SELV. I still do not agree
with their assessment.
Dave Cuthbert
Micron Technology
From: Ronald R. Wellman [mailto:[email protected]]
Sent: Friday, June 27, 2003 10:46 AM
To: David Gelfand; EMC List
Subject: Re: CE without LVD?
Hello David,
Your issue is not new. I have been in a similar situation where the same
argument was made for a product powered by SELV. However, EN 60950
addresses other safety issues with products other than electrically caused
fire and electrical shock. One needs to also address the mechanical and
electro-mechanical safety issues as well. A good example is an SELV powered
printer.
Best regards,
Ron Wellman
At 10:19 AM 6/27/2003 -0400, David Gelfand wrote:
>Hello Group,
>
>A ITE product (not ours!) is powered by an CE marked external ac-dc power
>supply and has only SELV ports. I believe this product must be tested to EN
>60950, and that in the CE Declaration of Conformity it must declare
>conformity to the LVD via EN 60590.
>
>It is being suggested that this product does not need safety testing and
>does not need to include the reference to EN 60950 and the LVD in the CE
>DoC, since it is SELV circuits only.
>
>Can you provide me with references to back my point of view?
>
>Thanks,
>
>David.
>
>David Gelfand
>Approvals/Design Engineer
>Memotec Inc.
>
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