| - Scope of protection for the IP (Ingress Protection) protection classes |
| First digit |
Second digit |
| Digit |
Protection against solid objects |
Digit |
Water protection |
| 0 |
No special protection |
0 |
No secial protection |
| 1 |
Protected against solid objects greater than 50mm in diameter or thickness such as a hand |
1 |
Protection against vertically falling drops of water. |
| 2 |
Protected against solid objects greater than 12mm in diameter or thickness such as finger or other objects not exceeding 80mm in length |
2 |
Protection saginst direct sprays of water up to 15 degrees form the vertical for three minutes |
| 3 |
Protected against solid objects greater than 2.5mm in diameter or thickness such as tools or wires |
3 |
Protection? against direct sprays of water up to 60 degrees from the vertical for three minutes |
| 4 |
Protected against solid objects greater than 1.0mm in diameter or thickness such as wires or strips |
4 |
Water splashed against the enclosure for any direction for three minutes. The enclosure is titeld at any angle up to 15° from its normal position |
| 5 |
Ingress of dust is not totally prevented but dust dose not enter in sufficient quantity to interfere with satisfactory operation of the equipment. Two to eight hours |
5 |
Water projected form a nozzle against the enclosure for three minutes from any direction shall have no harmful effect |
| 6 |
Unlikely to occur present for short period |
6 |
Water form heavy seas or water projected in powerful jets shalls not enter the enclosure in harmful quantities |
| |
|
7 |
Protection against the effect of immersion in water between 15㎝ and 1m for 30 minutes |
| |
|
8 |
Protection against long periods of immersion in water under pressure |
