How does waterproof USB connector divide waterproof grade

Business Lead

Electronics and Telecommunication


USB waterproof connector means that the connector can still work properly when applied to an environment with water.At present, the IP protection level is the basis for evaluating the protection level of waterproof connector,IP means Ingress Protection,IP protection level is composed of two Numbers,IPXX,the first number is from 0 to 6,means dustproof lever,the second number is from 0 to 8,means waterproof level.

Protect solid matter invade?the first number meaning

0 No protection.
1 Defend 50mm diameter or longger solid exotic.Defend big superficial area object(not defend deliberate invade).
2 Defend 12mm diameter or longer solid exotic.Defend finger or other objects which length are less than 80mm.
3 Defend 2.5mm diameter or longer solid exotic.Defend tools?metal wires which diameter or thickness are more than 2.5mm.
4 Defend 1.0mm diameter or longer solid exotic.Defend metal wires or strips which thickness more than 1.0mm.
5 Defend dust.Impossibly defend dust ,but the quantity of the dust will not effect the normal operation of the equipment.
6 No dust.

Protect liquid matter invade?the second number meaning
0  No protection.
1  Defend water-drop,vertical drop.
3  Equipment incline 15 degree,Protect the vertical water-drop will not cause damage.
4 Defend spray water.Equipment incline 15 degree than the normal position,spray from any direction will not cause damage.
5 Defend ejected water.Eject water from any direction will not cause damage.
6 Defend large wave.the quantity of large wave or strong ejected water which enter the equipment should not cause damage.
7 Defend socking.socking into the water under define stress and time,the water quantity which will cause damage, should not allowed to enter.
8 Defend submerge. Equipment could submerge for a longtime under the illustration of the manufacture.

China USB waterproof connector using advanced raw materials,sealing performance,the waterproof property has been tested in IPX8.More waterproof

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Dongguan XKB Electronics Co., Ltd.

Dongguan (China)

Electronics and Telecommunication

Manufacturers, Trader & Exporter/Importer



About Company

Ever since investment in 1995, XKB enterprise has been under rapid development. Currently, it steps into digital contents including cell phone, MP3, mp4, digital camera, mouse, keyboard, auto parts, digital audio, household appliance, office equipment, measuring instrument, industrial control equipment, automotive components and cloud computing. The engaged products contains switches, sockets, connector, and peripheral products. In domestic area, the layout production bases involve Taiwan in China, Dong guan in Guangdong, Suzhou in Jiangsu. Operation sales distributed by Jiangsu, Suzhou “Respectively manufacturing products by above individual different factories or outsourcing processing based on products” include Hong Kong in China, Dong guan in China and Xiamen in China. XKB will strive toward internationalization, profession, and multi-sidedness. He will step into the international world with a macroscopical angle of view, lead product quality with professional competence, face the challenge from the market with pluralistic ideology and actively improve the image of international brand. He would be your most trustful friend!. view more »

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