The types of protection provided by the case is specified by means of the IP code as follows:
Where the specification of a code number is not required, the letter "X" has to be entered instead.
| IP Kennziffer |
1st code number Degree of protection against electric shock and against ingress of foreign bodies (according to IEC, NF, C, DIN) |
2nd code number Degree of protection against water ingress (according to IEC, NF C, DIN) |
|---|---|---|
| 0 | no protection | no protection |
| 1 | protected against foreign bodies of over 50mm diameter (safe from touch by the back of the hand) | protection against water falling vertically |
| 2 | protected against foreign bodies of over 12mm diameter (safe from touch by fingers) | protection against water drops falling 15° from the vertical |
| 3 | protected against foreign bodies of over 2.5mm diameter (safe from touch by tools) | protection against spray water |
| 4 | protected from foreign bodies of over 1mm diameter (safe from touch by wire) | protection against splashing water |
| 5 | protected from dust deposits (safe from touch by wire) | protection against jet water |
| 6 | protected from ingress of dust (safe from touch by wire) | protection against heavy sea or powerful water jets |
| 7 | protection against water ingress during immersion | |
| 8 | protection against water ingress during submersion |