IP Rating Explained - Smart LED Concepts
We See IP Rating on Electrical Components All the Time – But What Does It Mean?
IP (or “Ingress Protection”) ratings are defined in international standard EN 60529 (British BS EN 60529:1992, European IEC 60509:1989). They are used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies (tools, dirt etc) and moisture.
IP Ratings – what they mean.
A number replaced by x indicates that the enclosure is not rated for that spec.
(or X – see section below): No special protection. Not rated (or no rating supplied) for protection against ingress of this type.
Protection against fingers or other object not greater than 80mm in length and 12mm in diameter (accidental finger contact).
Protection against solid objects larger than 1mm (wires, nails, screws, larger insects and other potentially invasive small objects such as tools/small etc).
Totally dust tight. Full protection against dust and other particulates, including a vacuum seal, tested against continuous airflow.
(or X – see section below): No protection.
Protection against vertically falling droplets, such as condensation. ensuring that no damage or interrupted functioning of components will be incurred when an item is upright.
Protected against water splashes from all directions. Tested for a minimum of 10 minutes with an oscillating spray (limited ingress permitted with no harmful effects).
Protection against direct high pressure jets.
(K): Protection against high-pressure, high-temperature jet sprays, wash-downs or steam-cleaning procedures – this rating is most often seen in specific road vehicle applications (standard ISO 20653:2013 Road Vehicles – Degrees of protection).
Not an entirely valid IP rating, but still occassionally seen on websites offering enclosures (but more commonly lighting). The “x” simply denotes that the value for that number is missing. You can replace it with a zero, assuming that it has not ingress protection rating. This may not be the case, but better safe than sorry. The first number denotes foreign body ingress protection, the second moisture. So “x”5 for example, means that there is no defined protection from solid objects, but protection against low pressure water jets, while 5″x” would denote partial protection from dust, but no particular protection from moisture.
IP 67 Enclosures – IP rated as “dust tight” and protected against immersion. for 30 minutes at depths 150mm – 1000mm
IP 68 Enclosures – IP rated as “dust tight” and protected against complete, continuous submersion in water.
Explanation courtesy of https://www.enclosurecompany.com/ip-ratings-explained.php
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