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NEMA 7, IEC 60529 equivalent

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davva

Marine/Ocean
Sep 27, 2004
99
I have some vendor information that states that the panel will be compliant with NEMA 7 enclosure. In our spec it calls from explosion proof and compliant with IEC 60529 IP65 rating.

I've found that a NEMA 6 enclosure is roughly comparable with an IP 67 enclosure.

Does a NEMA 7 enclosure exceed a NEMA 6 enclosure in terms of liquid ingress protection? Or are they two different kettle of fish, i.e. one is to do with hazardous area and one is to do with immersion?

 
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jghist, you didn't read down far enough. The hazardous location enclosures are listed near the end of the document.
Type 7 Enclosures constructed for indoor use in hazardous (classified) locations classified as Class I, Division 1, Groups A, B, C, or D as defined in NFPA 70.
davva, you are correct water ingress has nothing to do with the NEMA type 7. Many NEMA enclosures have multiple "types." They each stand for a different set of test conditions. In other words, a specific enclosure may be designated as type 6, 6P and 7.
 
jghrist,

It's there in the document you linked, on page 5. Comes right after Type 13, of course.
 
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