Stafford Aero Technologies - CE marking - EMC and LVD testing specialists for UK imports Telephone: +44 (0)1603 760 629
Email: mail@staffordaerotechnologies.co.uk
4 Chalk Hill House, 19 Rosary Road, Norwich, Norfolk, NR1 1SZ, UK
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IP (Ingress Protection) Ratings explained. Product = IP (1st digit)(second digit)(3rd digit). eg: IP000 = no protection from anything

Value

First Digit

Second Digit

Third Digit

Protection against solids
Protection against liquids
Protection against mechanical impact

0

No protection

No protection

No protection

1

Protected against solid objects over 50mm e.g. hands, large tools.

Protected against vertically falling drops of water.

Protected against 0.225 joule impact (150g @ 15cm).

2

Protected against solid objects over 12mm e.g. hands, large tools.

Protected against direct sprays of water up to 15° from vertical.

Protected against 0.375 joule impact (250g @ 15cm).

3

Protected against solid objects over 2.5mm e.g.wire, small tools.

Protected against direct sprays of water up to 60° from vertical.

Protected against 0.5 joule impact (250g @ 20cm).

4

Protected against solid objects over 1.0mm e.g. wires.

Protected against water sprayed from any direction. Limited ingress permitted.

5

Limited protection against dust ingress (no harmful deposit)

Protected against low pressure water jets from any direction. Limited ingress permitted.

Protected against 2.0 joule impact (500g @ 40cm).

6

Totally protected against dust ingress.

Protected against high pressure water jets from any direction. Limited ingress permitted.

7

Protected against immersion between 15cm and 1M.

Protected against 6.0 joule impact (1.5Kg @ 40cm).

8

Protected against long periods of immersion under pressure.

9

Protected against 20 joule impact (5Kg @  40cm).

Last letters are optional:

A = Protected against access with the back of the hand

B = Protected against access with a finger

C = Protected against access with a tool (>2.5mm)

D = Protected against access with a wire (>1mm)

 

X = Could not be subjected to the relavent test

 

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UK specialists in emc & lvd testing and ce marking. Experts in aeronautical system design for over 25 years.