Brochure/Catalogue

General technical information
IP class of protection to DIN EN 60529
The class of protection is indicated by a code consistingof
the two letters IP and two digits representing the class of
protection.
Example:
I P 6 5
2nd digit: protection from liquids
1st digit: protection from solid bod
Protection against intrusion of external particle matter (1st digit)
Digit
0
No protection
1
Protection against ingress of large solid bodies with diame-
ter > 50 mm. (Protection to prevent dangerous parts being
touched with the back ofthe hand.)
2
Protection against ingress of large solid bodieswith diameter
> 12.5 mm. (Protection to prevent dangerous parts being
touched with the ngers.)
3
2.5 mm
Protection against ingress of large solid bodies with
diameter > 2.5 mm. (Protection to prevent dangerous parts
being touched with a tool.)
4
1.0 mm
Protection against ingress of large solid bodieswith diameter
> 1 mm. (Protection to prevent dangerous parts being
touched with a piece of wire.)
5
Protection against harmful deposits of dust, which cannot
enter in an amount sufcient to interfere with satisfactory
operation.
6
Complete protection against ingress of dust.
Protection against penetration of liquids (2nd digit)
Digit
0
No protection
1
Protection against drops of condensed water falling
vertically.
2
Protection against drops of liquid falling at an angle of
15° with respect to the vertical.
3
Protection against drops of liquid falling at an angle of
60° with respect to the vertical.
4
Protection against liquids splashed from any direction.
5
Protection against water jets projected by a nozzle from
any direction.
6
Protection against water from heavy sea on ships’ decks.
7
1 m
Protection against immersion in water under dened
conditions of pressure and time.
8
Protection against indenite immersion in water under
dened conditions of pressure (which must be agreed
between manufacturer and user and must be more adverse
than number 7).
W
Technical appendix/Glossary
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