Waterproof? - different ratings explained
How waterproof is waterproof?
An IP Rating (also known as an Ingress Protection Rating or International Protection Rating) is a way of showing the effectiveness of electrical enclosures in blocking foreign bodies such as dust, moisture, liquids, and accidental contact (2022)
What do the two digits in an IP Rating mean?
IP ratings consist of the letters IP (Ingress Protection), which are then followed by two digits. The higher the number after IP, the better the protection against foreign bodies. Sometimes a number is replaced by an X, this indicates that the enclosure is not yet rated for that specification. So IPX6 for example, means water projected in powerful jets against the enclosure from any direction shall have no harmful effects, while IP6X would denote no ingress of dust; complete protection against contact (dust-tight). There are also several other letters that can be used after the IP rating which signifies other protection levels.
The first digit of the IP rating indicates the level of the enclosure’s protection against the ingress from blocking solid foreign bodies such as dust, tools or fingers that could be hazardous if were to come into contact with electrical components, parts or circuitry within the enclosure.
The second digit of the IP rating indicates the level of the enclosure’s protection from blocking internal components against various forms of moisture (sprays, drips or submersion etc).
