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IP is the abbreviation of Ingress Protection. IP grade is the protection level for electrical equipment shell against the foreign body intrusion. It comes from the international electrical commission standard IEC 60529 which was also used as the national standard of America in 2004. In this standard, for the protection level of electrical equipment shell against the foreign body intrusion, the IP level format is IPXX. In which the XX are the two Arabia number. The first tag number indicates the protection level of contact protection and external object protection; the second tag number indicates the protection level of waterproof. For the more specific protection level can refer to the table below.
Level of protection usually uses IP with the following two figures to express. The numbers used to specify the protection level. The first number indicates the range of the device against dust, or the extent of people against damage in sealed environment. ‘ I ‘ represents the level of prevention of the entry of solid foreign bodies, and the highest level is 6; the second number indicates the level of the device against water. P representative the level prevent from water, the highest level is 8. Such as the protection level of motor IP65, IP55 and so on.
Dustproof Level
| Number | Protection Level | Definition |
| 0 | No protection | No special protection |
| 1 | Prevent objects from more than 50mm | Prevent the human body from accidentally touch the internal parts of the lamp, prevent the object intrusion which diameter is greater than 50mm |
| 2 | Prevent objects from more than 12mm | Prevent the finger from the internal parts of the lamp |
| 3 | Prevent objects from more than 2.5mm | Prevent the object, tool, wire intrusion which diameter is greater than 2.5mm |
| 4 | Prevent objects from more than 1.0mm | Prevent the mosquitoes, insects or objects intrusion which diameter of more than 1.0mm |
| 5 | Dustproof | Can not completely prevent dust intrusion, but the amount of intrusion of dust will not affect the normal operation of electrical |
| 6 | Dustproof | Completely prevent dust intrusion |
Lisun developed SC series of dust test box fully meet the IEC 60529. Lisun Electronic (Shanghai) office is committed to the development and after-sales maintenance of lighting instrument, EMI / EMC testing system and safety testing instruments in the domestic and global market. The full range of products of Lisun are in strict accordance with the quality management and control of ISO9001:2008 requirements for R & D and production; Lisun is also the member unit of global lighting CIE association, all products are according to CIE requirements; in addition, all products of Lisun are certified by CE and get the qualification of the EU.
Tags：Dustproof Level