What is IP Rating?

What is IP Rating?

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IP Rating (International Protection rating sometimes called Ingress Protection Rating) defines the level of protection against intrusion or the sealing effectiveness against body parts, dust, water and accidental contact by electrical enclosures. A units IP rating is usually made up of two digits; the first digit denotes the intrusion protection and the second digit denotes the moisture protection.

Number First Digit (Intrusion Protection) Second Digit (Moisture Protection)
0 No special protection. No protection.
1 Protection from a large part of the body such as a hand (but no protection from deliberate access); from solid objects greater than 50mm in diameter. Protection against condensation.
2 Protection against fingers or objects not greater than 80mm in length and 12mm in diameter. Protection against water droplets deflected up to 15° from vertical.
3 Protection from entry by tools, wires, etc with a diameter of 2.5mm or more. Protection against spray up to 60° from vertical.
4 Protection against solid bodies larger than 1mm (e.g. fine tools). Protection against water spray from all directions.
5 Protection against dust that may harm equipment. Protection against low pressure water jets (all directions).
6 Totally dust tight. Protection against strong water jets and waves.
7 Protection against temporary immersion.
8 Protected against prolonged effects of immersion under pressure.
9 Protected against close-range, high pressure, high temperature spray.

How to use this chart: If the IP rating of a light is 65, the first digit is 6 and the second digit is 5. From the chart, if the first digit is 6, then its intrusion protection level is defined as “Totally dust tight” and its moisture protection level is defined as “Protected against water spray from all directions.”

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