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IP (Ingress Protection) Ratings

 

First Number - Protection against solid objects.
 

IPTests
0No protection
1Protected against solid objects up to 50mm i.e. accidental touch by hands
2Protected against solid objects up to 12mm i.e. 'fingerproof'
3Protected against solid objects over 2.5mm (tools & wires).
4Protected against solid objects over 1mm (tools & small wires)
5Protected against dust, limited ingress permissible
6Totally protected against dust



Second Number
- Protection against liquids
 

IPTests
0No protection
1Protection against vertically falling drops of water e.g. condensation
2Protection against direct sprays of water up to 15 from the vertical
3Protected against direct sprays of water up to 60 from the vertical
4Protected against water sprayed from all directions - limited ingress permitted
5Protected against low-pressure jets of water from all directions - limited ingress permitted
6Protected against low-pressure jets of water from all directions e.g. for use on shipdecks - limited ingress permitted
7Protected against the effect of immersion between 15cm and 1m
8Protected against long periods of immersion under pressure



Third Number
- Protection against mechanical impacts (commonly omitted)
 

IPTests
0No protection
1Protected against impact of 0.225 joule (e.g. 150g weight falling from 15cm height)
2Protected against impact of 0.375 joule (e.g. 250g falling from 15cm)
3Protected against impact of 0.5 joule (e.g. 250g falling from 20cm)
4Protected against impact of 2.0 joule (e.g. 500g falling from 40cm)
5Protected against impact of 6.0 joule (e.g. 1.5kg falling from 40cm)
6Protected against impact of 20 joule (e.g. 5kg falling from 40cm)