NEMA enclosure standards

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Thread Starter

Carlos Mandolesi

Dear List,
Is there any kind of certification for NEMA enclosure standards? When a HMI manufacturer claims that its product has NEMA4/12 protection does it need to certificate the product or is it just a project issue?

Carlos Mandolesi
GE Supply do Brasil
 
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R A Peterson

A UL listed enclosure must meet UL requirements for the listed protection class (1-12-4-4X, etc). The UL requirements basically mirror NEMA stds on enclosures. I am not sure what you mean by “certified”. UL or CSA listing (or other NRTL) is quite adequate to show that the enlcosure meets the specified standards.
 
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