Water volume: 10 liters per minute (0.037 impgal/s) Test duration: 1 minute per square meter for at least 5 minutes Test b) is conducted (with shield in place) for 5 minutes minimum.
Test a) is conducted for 5 minutes, then repeated with the specimen rotated horizontally by 90° for the second 5-minute test. 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. Water equivalent to 3 mm (0.12 in) rainfall per minute Test duration: 2.5 minutes for every direction of tilt (10 minutes total) A total of four positions are tested within two axes. Vertically dripping water shall have no harmful effect when the enclosure is tilted at an angle of 15° from its normal position. Water equivalent to 1 mm (0.039 in) rainfall per minute X means there is no data available to specify a protection rating with regard to these criteria.ĭripping water (vertically falling drops) shall have no unsafe effect on the specimen when mounted in an upright position onto a turntable and rotated at 1 RPM. A device that meets both tests is indicated by listing both tests separated by a slash, e.g. A device that is compliant with IPX7 (covering immersion in water) is not necessarily compliant with IPX5 or IPX6 (covering exposure to water jets). The ratings for water ingress are not cumulative beyond IPX6. The second digit indicates the level of protection that the enclosure provides against harmful ingress of water. Test duration of up to 8 hours based on airflow. No ingress of dust complete protection against contact (dust-tight). Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the safe operation of the equipment. Most wires, slender screws, large ants etc. No protection against contact and ingress of objectsĪny large surface of the body, such as the back of a hand, but no protection against deliberate contact with a body part X means there is no data available to specify a protection rating with regard to this criterion. 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. Third digit: Mechanical impact resistanceįirst digit: Solid particle protection įirst characteristic numeral: Solid particle protection
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This table shows what each digit or part of the IP code represents. IPX-8 (for example) is thus an invalid IP code. There are no hyphens in a standard IP code. The device can become less capable, however it cannot become unsafe. The digit is replaced with the letter X when insufficient data has been gathered to assign a protection level. The digit 0 is used where no protection is provided.
The digits indicate conformity with the conditions summarized in the tables below. IP22 or IP2X are typical minimum requirements for the design of electrical accessories for indoor use. Similarly, an electrical socket rated IP22 is protected against insertion of fingers and will not become unsafe during a specified test in which it is exposed to vertically or nearly vertically dripping water. For example, a cellular phone rated at IP67 is "dust resistant" and can be "immersed in 1 meter of freshwater for up to 30 minutes". The standard aims to provide users more detailed information than vague marketing terms such as waterproof. It is published in the European Union by the European Committee for Electrotechnical Standardization (CENELEC) as EN 60529.
It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures against intrusion, dust, accidental contact, and water. The IP code or ingress protection code indicates how well a device is protected against water and dust.
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