the grade standard of Waterproof connector

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At present, the main evaluation standard for waterproof performance of waterproof electrical connectors is based on the ip waterproof rating standard. Look at the waterproof performance of the waterproof electrical connector, mainly look at the two digits XX behind the IPXX, the first digit X is from 0 to 6, the highest level is 6; the second digit X is from 0 to 8, the highest level is 8; The waterproof connector has a maximum waterproof rating of IP68.
​the grade standard of Waterproof connector
Degree of protection against solids (first X)
0: no protection
1 : Prevent the intrusion of solids above 50mm, which is equivalent to the length of one hand.
2: Prevent 12.5mm solid intrusion; equivalent to the length of one finger.
3: Prevent 2.5mm from entering the intrusion. Equivalent to a line or tool.
4: Prevent the entry of solids larger than 1.0mm, which is equivalent to a line or stripping line.
5: Prevent dust from entering fully and causing damage.
6 : Completely prevent dust from entering.
Water protection rating (second X)
0 : not waterproof.
1 : Prevent water droplets.
2: When the housing is tilted to 15 degrees, the drop of water drops into the housing has no effect.
3: Water or rain has no effect from the 60 degree corner to the outer casing.
4: The liquid is splashed from any direction to the outer casing without damage.
5: Rinse with water without any damage.
6 : Prevents strong spray water and can be used in the environment inside the cabin.
7 : waterproof in a short time.
8: waterproof under a certain pressure.
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