IP (INTERNATIONAL PROTECTION) protection grade is a special industrial protection grade, which classifies electrical appliances according to their dustproof and moisture-proof characteristics. The IP protection level consists of two numbers. The first digit indicates the level of electrical dust and prevention of foreign objects. The second digit indicates the degree of airtightness of the appliance against moisture and water intrusion. The larger the number, the higher the protection level. High, the protection levels indicated by the two marked numbers are as follows:
Dust rating (first number)
0: No protection 1: Objects with a diameter of 50mm shall not completely enter the shell. 2: Objects with a diameter of 12.5mm shall not completely enter the shell. 3: Each vertical surface will be sprayed within 60 degrees without harmful effects. 4: Objects with a diameter of 1.0 mm Do not enter the shell at all 5: Do not completely prevent dust from entering, but the amount of dust entering must not affect the normal operation of the equipment, and must not affect safety.
6: no dust entering
Waterproof rating (second number)
0: No protection 1: No dripping effect in vertical direction. 2: When the vertical plane of the outer casing is inclined within 15 degrees, the vertical water droplets have no harmful effects. 3: The object with a diameter of 2.5 mm is completely inaccessible to the shell. 4: To the outer casing Splashing water in all directions has no harmful effects. 5: Spraying water in all directions of the shell has no harmful effects. 6: Strong water spray in all directions of the shell has no harmful effects. 7: Short-term immersion without effect. 8: Continuous diving has no effect.
Examples are as follows:
IP65 protection level meaning: completely dust-proof, spray water in all directions of the shell without harmful effects IP66 protection level meaning: completely dust-proof, strong water spray in all directions of the shell has no harmful effects.
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