3. How do I choose my protection mode?
3.1 Electrical protection modes
In reality, as a user, you don't really have a choice of protection mode. Rather, the manufacturer determines the protection mode according to the type of equipment and the zone in which he wishes it to operate. The 2-fault intrinsic safety protection mode (symbol ia) is the only protection mode permitted for zone 0.
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It is compulsory to hold EU type-examination certificates for all your equipment. This certificate, issued by...
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How do I choose my protection mode?
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