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Author EN 61000-6-1, EN 61000-6-2: Industrial vs. light industrial?
joncutting@gmail.com

2006-08-04, 1:25 pm

Hi,

I am trying to determine which generic EMC immunity standard should be
applied to a product that I am developing. It is a piece of equipment
that will mostly be used in large pharmaceutical manufacturing
locations that qualify as "industrial" (i.e. supplied by high or medium
voltage transformer) and would thus fall under EN 61000-6-2.

But there will probably be some installations in laboratories small
enough that they could be "light industrial" (i.e. supplied by low
voltage public mains) and thus fall under EN 61000-6-1 (also covers
residential and commerical).

I am not familiar with European power distribution. Is there some
threshold size for a building above which it would typically be
supplied by a high or medium voltage transformer instead of frum low
voltage public mains? Am I unreasonable in thinking that I should test
for comformance with both EN 61000-6-1 and EN 61000-6-2?

Jonathan

Maurice Janssen

2006-08-04, 5:25 pm

On 4 Aug 2006 08:57:20 -0700, joncutting@gmail.com wrote:
>Hi,
>
>I am trying to determine which generic EMC immunity standard should be
>applied to a product that I am developing. It is a piece of equipment
>that will mostly be used in large pharmaceutical manufacturing
>locations that qualify as "industrial" (i.e. supplied by high or medium
>voltage transformer) and would thus fall under EN 61000-6-2.
>
>But there will probably be some installations in laboratories small
>enough that they could be "light industrial" (i.e. supplied by low
>voltage public mains) and thus fall under EN 61000-6-1 (also covers
>residential and commerical).
>
>I am not familiar with European power distribution. Is there some
>threshold size for a building above which it would typically be
>supplied by a high or medium voltage transformer instead of frum low
>voltage public mains? Am I unreasonable in thinking that I should test
>for comformance with both EN 61000-6-1 and EN 61000-6-2?


If you want to be on the safe side, go for the industrial tests. If you
pass those, you automatically comply to most (if not all) parts of the
EN 61000-6-1.
The opposite is true for emission tests: if you pass the light
industrial / commercial emission tests, than you also comply to the
industrial limits (EN 61000-6-3 and -4 IIRC).

I don't think you can draw a line based on the type of power supply.
Other sources of EMI may be present in the environment or your clients
internal standards or guidelines can prescribe the industrial immunity
limits.

--
Maurice
csutoras@gmail.com

2006-08-18, 9:25 am

If you find that you need assistance with what is the required
standards for your products or need to go further and actually get your
products safety certified, please check our website at
http://www.ejoyusa.com.

Thank you,

Brent Csutoras
Ejoy Quality Source USA
http://www.ejoyusa.com

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