|
Solids |
Liquids |
00 |
Unprotected against a solid object greater than 50mm, such as a hand. |
Unprotected against vertically falling drops of water. |
20 |
Protected against a solid object greater than 12.5mm, such as a finger. |
Unprotected against vertically falling drops of water. |
21 |
Protected against vertically falling drops of water. Limited ingress permitted. |
23 |
Protected against sprays of water up to 60 degrees from vertical. Limited ingress permitted for three minutes. |
40 |
Protected against a solid object greater than 2.5mm, such as a wire. |
Unprotected against vertically falling drops of water. |
54 |
Dust protected. Limited ingress of dust permitted. Will not interfere with operation of the equipment. Two to eight hours. |
Protected against water splashed from all directions. Limited ingress permitted. |
55 |
Protected against jets of water. Limited ingress permitted. |
56 |
Water from heavy seas or water projected in powerful jets shall not enter the enclosure in harmful quantities. |
57 |
Protection against the effects of immersion in water between 15cm and 1m for 30 minutes. |