Standaarden worden bepaald door de diverse overheidsinstanties, industriegroepen en/of onafhankelijke laboratoria en worden toegepast door fabrikanten om een vastgestelde norm te handhaven betreffende bescherming van de gebruiker en betrouwbaarheid van het product.
| IP X X Protection Against | |
|---|---|
| 0 x | No special protection |
| 1 x | Protection from a large part of the body such as a hand (but no protection from deliberate access); from solid objects greater than 50mm in diameter. |
| 2 x | Protection against fingers or other object not greater than 80mm in length and 12mm in diameter. |
| 3 x | Protection from entry by tools, wires, etc., with a diameter of thickness greater than 2.5mm. |
| 4 x | Protection from entry by solid objects with a diameter or thickness greater than 1.0mm |
| 5 x | Protection from the amount of dust that would interfere with the operation of the equipment. |
| 6 x | Dust tight. |
| IP X X Protection Against | ||
|---|---|---|
| x 0 | No special protection | |
| x 1 | Dripping water | vertically falling drops shall have no harmful effect. |
| x 2 | Dripping water when tilted up to 15° | Vertically dripping water shall have no harmful effect when the enclosure is tilted at an angle up to 15° from its normal position. |
| x 3 | Spraying Water | Water falling as a spray at any angle up to 60° from the vertical shall have no harmful effect. |
| x 4 | Splashing of water | Water splashing against the enclosure from any direction shall have no harmful effect. |
| x 5 | Water jets | Water projected by a nozzle (6.3 mm) against enclosure from any direction shall have no harmful effects. |
| x 6 | Powerful water jets | Water projected in powerful jets (12.5 mm nozzle) against the enclosure from any direction shall have no harmful effects. |
| x 7 | Immersion up to 1 m | Ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time (up to 1 m of submersion). |
| x 8 | Immersion beyond 1 m | The equipment is suitable for continuous immersion in water under conditions which shall be specified by the manufacturer. Normally, this will mean that the equipment is hermetically sealed. However, with certain types of equipment, it can mean that water can enter but only in such a manner that it produces no harmful effects. |
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