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IP Ratings

The IP ‘Ingress Protection’ rating system provides a means of classifying the Degrees of protection from dust and water afforded by electrical equipment and enclosures. The system is recognised in most countries and is set out in BS EN60529 1992 Degrees of Protection.

IP Ratings Chart
First Number
Protection against Solids
Second Number
Protection against Liquids
IPTestIPTest
0Solids - 0 No ProtectionNo protection0Liquids - 0 No ProtectionNo protection
1Solids - 1 Protection against solid objects over 50mmProtection against solid objects over 50mm e.g. accidental touch by hands1Liquids - 1 Protection against vertical drops of waterProtection against vertically falling drops of water
2Solids - 2 Protection against solid objects over 12mmProtection against solid objects over 12mm e.g. fingers2Liquids - 2 Protection against direct sprays of water 15 degreesProtection against direct sprays of water up to 15° from the vertical
3Solids - 3 Protection against solid objects over 2 half mmProtection against solid objects over 2.5mm (tools & wires)3Liquids - 3 Protection against direct sprays of water 60 degreesProtection against sprays 60° from the vertical
4Solids - 4 Protection against solid objects over 1mmProtection against solid objects over 1mm (tools, wires & small wires)4Liquids - 4 Protection against direct sprays of water all directionsProtection against water sprayed from all directions - limited Ingress permitted
5Solids - 5 Protection against dustProtection against dust - limited Ingress (no harmful deposit)5Liquids - 5 Protection against low pressure water jets all directionsProtection against low pressure jets of water sprayed from all directions - limited Ingress permitted
6Solids - 6 Total protection against dustTotally protected against dust6Liquids - 6 Protection against strong pressure water jetsProtection against strong pressure jets of water e.g. for use on ship decks - limited Ingress permitted
7Liquids - 7 Protection against the effects of temporary immersionProtection against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes
8Liquids - 8 Protection against the effects of immersion for long periodsProtection against long periods of
immersion under pressure
9KLiquids - 9 Protection againststrong jest of water at 80 degreesProtection againsts strong pressures jets of water
(80-100 bar) at a temperature of 80° C for durations of 30 seconds. Simulating pressure cleaning conditions on a plan floor (Food Industry etc)
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