IEC 60529（GB4208-2008）IP Protection Grade Waterproof and Dustproof test

IEC 60529 (GB4208-2008) IP code is a coding system to indicate the degrees of protection provided by an enclosure against access to hazardous parts, ingress of solid foreign objects, ingress of water and to give additional information in connection with such protection IP code includes 4 digits, like IP23CH. IP short for ingress protection; numeral 2 stands for first characteristics and can be instead by numerals 0 to 6 or letter X (not requires to specified), it indicates enclosure against ingress of solid foreign; Numeral 3 standards for second characteristics and can be instead by numerals 0 to 8 or letter X (not requires to specified), it indicates enclosure against ingress of water with harmful effects. Letter C is additional letter, indicates enclosures access to hazardous parts, can be instead by letters A, B, C and D, but this characteristic can be ignored; Letter H is supplementary letter, can be instead by letters H, M, S and W, but this characteristic can be ignored. In this article, we just discuss the first and second characteristics.

The first characteristic can mark with numerals 0 to 6. We temporally ignore the second characteristic, additional letter and supplementary letter, i.e. IP0X to IP6X. According to IEC60529, it describes as: IP0X——non protected; IP1X——≥50mm diameter; IP2X——≥12.5mm diameter; IP3X——≥2.5mm diameter; IP4X——＞1.0mm diameter; IP5X——dust protected; IP6X——dust tight.

There are many standards refer to IEC60529 regarding dustproof test, like IEC 60598 luminaires general requirements and tests, clause 2.3 mentioned to classified the luminaire according to degree of protection against ingress of dust, solid objects and moisture; GB2423.37-89 electric and electronic products basic environmental testing procedure mentioned that sand and dust test method; GB/T4942.2-93 protection grade for low voltage device shell; GB7000.1 and GB7001 luminaire general requirements and test standard mentioned that the luminaire only need to do the test for IP5X and IP6X.

LISUN SC series dust test chamber is for IP5X and IP6X test.

The second characteristic can mark with numeral 0 to 8. We temporally ignore the first characteristic, additional letter and supplementary letter, i.e. IPX1 to IPX8. According to IEC60529, it describes as: IPX0 non protected; IPX1——vertically dripping; IPX2——dripping (15°tilted); IPX3——spraying; IPX4——splashing; IPX5——jetting; IPX6——powerful jetting; IPX7——temporary immersion; IPX8——continuous immersion. The applied water requests clean water. According to the standard, drip box is for IPX1 and IPX2 test; Oscillating tube or spray nozzle is for IPX3 and IPX4 test, the semi-diameter of oscillating tube has 8 solutions for optional according to the size of the sample, the minimum is 200mm, the maximum is 1600mm, and increase step is 200mm. But quantity of the holes is difference for each grade. For example, there are 8 holes in semi-diameter 200mm tube for IPX3, but for IPX4, there are 12 holes in semi-diameter 200mm tube. Water jet hose nozzle is for IPX5 and IPX6 test, but difference grade, the inner diameter of nozzle is different, the inner diameter of nozzle is 6.3mm for IPX5, and 12.5mm is for IPX6, the distance from nozzle to enclosure is 2.5m to 3m. Immersion tank is for IPX7 and IPX8 test, the test time is 30min for IPX7.

LISUN JL-X waterproof test equipment is for IPX1 to IPX8 test.

JL-X IP testing equipment is for IPX1 to IPX8 test, there are four equipments for optional, JL-12 drip box is for IPX1 and IPX2 test; JL-34 swing pipe water spray test equipment is or IPX3 and IPX4 test; JL-56 waterproof jet test device is for IPX5 and IPX6 test; JL-78 immersion tank is for IPX7 and IPX8 test.

There are also many standards refer to IEC60529 regarding dustproof test, like IEC60598 luminaires general requirements and tests mentioned to classify the luminaire according to the degree of protection against ingress of water; IEC60335 house holding and similar electrical appliance general requirements and  IEC60034-5:2000 degrees of protection provided by the integral design of rotating electrical machines mentioned the waterproof test.

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Tags：JL-X , JL-XC , SC-015