IP Ratings Definitions - What do they mean?
First Number |
Meaning |
Second Number |
Meaning |
Refers to protection against solids |
|
Refers to protection against liquids |
|
0 |
No protection |
0 |
No protection |
1 |
Protected against solid objects over 50mm (e.g. accidental touch by the hand) |
1 |
Protected against water falling vertically |
2 |
Protected against solid objects over 12mm (e.g. accidental touch by the finger) |
2 |
Protected against direct sprays from up to 15 degrees from vertical |
3 |
Protected against solid objects over 2.5mm (e.g tools, wires) |
3 |
Protected against direct sprays up to 60 degrees from vertical |
4 |
Protected against solid objects over 1mm (e.g. small wires) |
4 |
Protected against sprays from all directions. Limited ingress permitted. |
5 |
Protected against dust – limited ingress (no harmful deposit) |
5 |
Protected against low pressure jets of water from all directions. Limited ingress permitted. |
6 |
Totally protected against all dust |
6 |
Protected against strong jets of water. Limited ingress permitted. E.g. acceptable for use on shipdecks. |
|
|
7 |
Protected against temporary affects of immersion between 15cm and 1m, for 30 minutes. |
|
|
8 |
Protected against long periods of immersion under pressure. |
