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Offline SMPS with vent holes?

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cupoftea

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Hi,
Are there any examples of products which feature an offline 100-265VAC isolated SMPS in a plastic case which has vent holes for an internal fan? Also, with no earth connection. Also, the case being entirely plastic.
To what isolation voltage are they tested?, and what creepage/clearance do they need to exhibit between primary and secondary nets?
 

Thanks, this isnt speaking of just an offline smps...its speaking of an an offline smps in a product.
 

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