ATEX 114 (95) 

You are contacted by your client for an ATEX approved product. In addition, the zone is specified in which your product is to be used. The specific zone tells you what category applies to your product. The category relates to the required protection level. The table below shows the relation between the zone, the equipment category and the protection level. 

Zone

Category

Protection level

0 (G) of 20 (D)

1

Safe when two (un)expected faults occur independently of each other. 

1 (G) of 21 (D)

2

Safe in normal operation and in case of faults which are taken into account. 

2 (G) of 22(D) 

3

Safe in normal operation.

G = gas atmosphere, D= dust atmosphere
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