For more information on any additional letters you see appended to an IP code, you can contact our support team any time. This is relatively unusual in most day-to-day applications, however. This is done to indicate either certified resistance to specific materials/hazards, such as oil or high voltages, or a particular scenario in which the IP testing was conducted (for example in moving water). In some cases, an additional letter may be appended to the end of an IP rating, e.g. ![]() The second digit in an IP rating will be a number between 0-9, denoting the quality of resistance to moisture ingress at varying intensities, angles, depths and pressures of exposure or immersion. ![]() The first digit will be a number between 0-6, and indicates the degree of protection from ingress of solid objects (the user themselves, and other potentially harmful particulates such as dust or dirt). The most common way you’ll see such a rating given will be in the format ‘IP43’, ‘IP67’, or similar. In general, an IP rating will consist of two digits, occasionally followed by a letter denoting specific materials, hazards or testing scenarios. Resistance to ingress from foreign bodies (dust, dirt etc) Resistance to ingress, accidental or otherwise, by the user In Europe, they fall in line with IEC standard 60509:1989, and internationally they conform to EN 60529 certification.Īs noted briefly above, IP rating denotes three key metrics: While you might encounter slight differences in IP ratings depending on where in the world you’re buying from, they are standardised in most regions: in the UK, IP codes are assigned in accordance with British standard BS EN 60529:1992. ‘Intrusion’ in the context of an IP rating has a threefold definition: IP codes signify the level of protection to users (hands, fingers etc) from mechanical or electrical parts the degree of protection an enclosure offers those key components against dust, dirt and other damaging foreign bodies and its overall resistance to moisture. ![]() An IP rating is usually a two-digit grading system that’s applied to the enclosure of a mechanical or electrical item, giving customers a clear indication of the item’s resistance to various types of unwanted intrusion. An IP rating is shorthand for an Ingress Protection mark, sometimes referred to synonymously as an International (or Internal) Protection mark.
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