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Information

The IP Code, International Protection Marking, IEC standard 60529, sometimes interpreted as Ingress Protection Marking, classifies and rates the degree of protection provided against intrusion (body parts such as hands and fingers), dust, accidental contact, and water by mechanical casings and electrical enclosures. The first digit indicates the level of protection that the enclosure provides against access to hazardous parts (e.g., electrical conductors, moving parts) and the ingress of solid foreign objects. The second digit indicates the level of protection that the enclosure provides against harmful ingress of water.

 

 

SOLID PARTICLE PROTECTION

 

LIQUID INGRESS PROTECTION

IP 

DESCRIPTION

IP 

DESCRIPTION

0

No protection against contact and ingress of objects

0

No protection against water

1

Any large surface of the body, such as the back of a hand, but no protection against deliberate contact with a body part

1

Dripping water (vertically falling drops) shall have no harmful effect on the specimen when mounted in an upright position onto a turntable and rotated at 1 RPM

2

Fingers or similar objects

2

Vertically dripping water shall have no harmful effect when the enclosure is tilted at an angle of 15° from its normal position. A total of four positions are tested within two axes

3

Tools, thick wires, etc

3

Water falling as a spray at any angle up to 60° from the vertical shall have no harmful effect, utilizing either: a) an oscillating fixture, or b) A spray nozzle with a counterbalanced shield

Test a) is conducted for 5 minutes, then repeated with the specimen rotated horizontally by 90° for the second 5-minute test. Test b) is conducted (with shield in place) for 5 minutes minimum

4

Most wires, slender screws, large ants etc

4

Water splashing against the enclosure from any direction shall have no harmful effect, utilizing either: a) an oscillating fixture, or b) A spray nozzle with no shield

Test a) is conducted for 10 minutes. Test b) is conducted (without shield) for 5 minutes minimum

5

Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment

5

Water projected by a nozzle (6.3 mm) against enclosure from any direction shall have no harmful effects

6

No ingress of dust; complete protection against contact (dust tight). A vacuum must be applied. Test duration of up to 8 hours based on air flow

6

Water projected in powerful jets (12.5 mm nozzle) against the enclosure from any direction shall have no harmful effects

  

7

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)

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