First Number - Protection against solid objects |
IP |
|
0.... |
No protection. |
1.... |
Protection against solid objects above 50 mm (excludes contact with hand). |
2 |
Protection against solid objects above 12 mm (excludes finger). |
3 |
Protection against solid objects above 2.5 mm (excludes tools and wires). |
4 |
Protection against solid objects above 1 mm (excludes tools and small wires). |
5 |
Protection against dust with limited egress (no harmful deposits). |
6 |
Fully protected against dust. |
... |
... |
Second Number - Protection against liquids |
IP |
|
0 |
No protection |
1 |
Protection against vertical falling drops of water. |
2 |
Protection against direct spray with drops 15° from
vertical. |
3 |
Protection against direct spray with drops 60° from
vertical. |
4 |
Protection against sprayed drops from all directions - limited egress permitted. |
5 |
Protection against low pressure jets of water from all directions. |
6 |
Protection against strong jets of water for use on ships - limited ingress permitted. |
7 |
Protection against effects of immersion between 15 cm and 1 m. |
8 |
Protection against effects of immersion for a long time - maximum depth to be
prescribed by manufacturer. |
... |
|
Number Three - Protection against mechanical impacts |
IP |
|
0 |
No protection. |
1 |
Protection against 150 g impact at .225 joule. |
2 |
Protection against 250 g impact at .375 joule . |
3 |
Protection against 250 g impact at .5 joule. |
5 |
Protection against 500 g impact at 2.0 joule. |
7 |
Protection against 1500 g impact at 6 joule. |
9 |
Protection against 5000 g impact at 20,000 joule. |
|
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