What is an ATEX Rating?

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“Atmospheres Explosibles”. ATEX is a safety standard given to a certain component(s) for use in a potentially explosive atmosphere. ATEX rated components may have a hazardous area certification for one of the following: explosion-proof, flame proof, intrinsically safe, or non-incendive. This rating can be found on something electrical such as a fan, fuse, motor, circuit breaker, or an encoder to something non-electrical such as an enclosure.

See also:
https://www.csagroupuk.org/?s=atex
https://www.csagroupuk.org/services/ex-product-certification-approvals/atex/
http://www.beisensors.com/hazardous-area-encoders.html#hazardous_area_certified

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What kind of processes does DigiKey have in place to maintain ATEX Certification for ATEX products?

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Hello Chad_Dziengel,

That’s a great question. I believe this would be dependent on the manufacturer of the specific product to uphold this certification. As far as how they are responsible to maintain this rating, I would assume similar to other safety ratings such as UL, this certification would stay in place for as long as there are no changes or revisions to the part. Even one tiny change to the part would most likely require a re-certification.