0

Non-protected: No special protection.

0

Non-protected: No special protection.

1

Protected against solid objects greater than 50 mm: A large surface of the body such as the hand (no protection against deliberate access). Solid objects exceeding 50mm diameter.

1

Protected against dripping water: Dripping water (vertically falling drops).

2

Protected against solid objects greater than 12 mm: Fingers or other objects not exceeding 80 mm in length. Solid objects exceeding 12 mm diameter.

2

Protected against dripping water when tilted up to 15º: Vertically dripping water shall have no harmful effect.

3

Protected against solid objects greater than 2.5 mm: Tools, wires, etc of diameter or thickness greater than 2.5 mm. Solid objects exceeding 2.5 mm diameter.

3

Protected against spraying water: Water falling as spray at an angle up to 60º from the vertical shall have no harmful effect.

4

Protected against solid objects greater than 1.0 mm: Wires or strips of thickness greater than 1.0 mm. Solid objects exceeding 1.0 mm.

4

Protected against splashing water: Water splashed against the enclosure from any direction shall have no harmful effect when the enclosure is tilted at any angle up to 15º from its normal position.

5

Dust protected: Ingress of dust is not totally prevented but dust does not enter in sufficient quantity to interfere with satisfactory operation of the equipment.

6

Protected against heavy seas: Water from heavy seas or water projected in powerful jets shall not enter the enclosure in harmful quantities.