Do you speak robustness-ish? IP protection levels
The Ingress Protection , a.k.a. IP level, is often mentioned as a key criteria for robustness, especially for pushbuttons . However, a lot of misconceptions are shared and some manufacturers are taking advantages of these to falsely promote their products. So do you really know what you are buying when you are choosing products based on their IP levels as indicated in the catalog ? Here is a quick guide to IP levels and the 2 most current misconceptions. An IP level is indicated by 2 digits, meaning IPab with a being an integer between 0 and 6 and b being another integer between 0 and 9. The first digit indicates the level of protection that the enclosure provides against access to hazardous parts (e.g., electrical conductors, moving parts) and the ingress of solid foreign objects. The second digit indicates the level of protection that the enclosure provides against harmful ingress of water. The most 2 current misconceptions are : IP67 is better than IP66: Wrong Putting a p...