Level of protection from solids | Description | |
0 | No protection. | |
1 |
50mm dia.
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Solid objects 50 mm or larger in diameter (hand, etc.) do not penetrate. |
2 | Solid objects 12.5 mm or larger in diameter do not penetrate. | |
3 | Wires or other solid objects 2.5 mm or larger in diameter do not penetrate. |
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4 | Wires or other solid objects 1 mm or larger in diameter do not penetrate. | |
5 | An amount of dust sufficient to interfere with normal operation of the device or create a safety problem will not enter. | |
6 | Dust does not enter. |
Level of protection from liquids | Description | Test procedure | |
0 | No special protection | No protection against water penetration. | No test. |
1 | Suffers no damaging effects from vertically dripping water. | Placed under vertically dripping water from a dripping tester for 10 minutes. | |
2 | Suffers no damaging effects from water dripping no more than 15º out of plumb. | Placed at an inclination of 15º under dripping water from a dripping tester for 10 minutes (2.5 minutes in each direction). | |
3 | Suffers no damaging effects from water sprayed from an angle up to 60º from plumb. | The device is sprayed from each side up to an angle of 60º from plumb for 10 minutes). |
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4 | Suffers no damaging effects from water sprayed from all directions. | The device is sprayed from all directions for 10 minutes. | |
5 | Suffers no damaging effects from direct jet sprays from all directions. | Each square meter of the case is sprayed from all directions for 1 minute, for a total of at least 3 minutes. | |
6 | Suffers no damaging effects from strong and direct jet spray from all directions | Each square meter of the case is sprayed from all directions for 1 minute, for a total of at least 3 minutes with pressurised water. | |
7 | Water does not penetrate when the device is submerged for a specified period of time | The device is submerged for 10 minutes at depth of 1 m in water (if the height of the device is less than 850 mm). | |
8 | The device can be used on a regular basis under water. | Decided by the manufacturer of the device. | |
9K | The device is protected from high pressure and temperature jets of water. | High pressure water jets at up to 1,450 PSI, in phases of 14 to 16 l/min, and at temperatures up to 80°C. |