Hi Brian,
 
As Luis points out, the 2 standards are directed at different applications.
However, I believe most of the tests required are the same. But I'm not sure
that the manufacturer of the pump would apply the same tests that I would
seek to apply. So I would look at EN61010-1 and see what test apply. I
believe a locked rotor, dielectric and leakage current would apply. Then I
would ask the manufacturer for evidence that these tests were performed.
(The locked rotor requirements could also be met if the the manufacturer
claims that the unit is impedance protected). 
 
Good Luck,
 
Ray
 
[email protected] <mailto:[email protected]> 

-----Original Message-----
From: Luiz Claudio [mailto:[email protected]]
Sent: Saturday, August 21, 1999 11:37 AM
To: Brian At Work
Cc: IEEE Group
Subject: Re: EN60335 verses EN61010-1


Brian, 

My understanding is that EN60331-1 covers only appliances (equipment) that
are destinated to be used in a household environment. For example,
EN60335-2-24 has specific requirements for household refrigerators, but does
not have special requirements for laboratory refrigerators (where you may
have flammable substances nearby or inside the product). 


Therefore, by analogy, the fact that your pump has been tested and approved
to EN60335 does not mean that it is totally safe to be used in a laboratory
equipment. If I were you, I would look closely to EN61010-1 or other
standards to identify other requirements that may not be within the scope of
EN60335-1. 


Regards, 


Luiz 
  
  
  


Brian At Work wrote: 


Our company manufacturers laboratory equipment so we perform safety tests
and evaluation based on EN61010-1 (Safety of Laboratory equipment).  My
understanding is that we can use components, such as Power Supplies, in our
products that has been tested to EN60950 (Safety of IT Equipment) without
additional safety evaluation. Our engineering department wants to use a
small water circulation pump (aquarium pump) in one of our products. This
pump has the CE mark. The DOC says it was evaluated to EN60335 (Safety of
Household electrical appliances). If we use this pump in accordance to the
manufacturer's specifications can we use it in a laboratory instrument
without additional evaluation or testing of the pump? Regards,Brian
KundeGroup LeaderCompliance Testing Center LECO Corporation3000 Lakeview
Ave.St. Joseph, MI  49085(616) 982-5423 phone(616) 982-8964 fax
[email protected] <mailto:[email protected]>  [email protected]
<mailto:[email protected]>   


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