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2.6
Tables
2.6.1
Types de protection et classes climatiques
Types de protection
Definition of protection types in accordance with DIN 40050
The protection types are named by a short sign consisting of two permanent code letters IP and two code numbers for the protec-
tion degree: e.g. IP 54.
Protection degrees for protection against contact and protection
First
Designation
code
0
No protection
1
Protection against
big foreign matters
2
Protection against
foreign matters of
medium size
3
Protection against
small foreign mat-
ters
4
Protection against
grain-shaped foreign
matters
5
Protection against
dust deposit
6
Protection against
dust penetration
Protection scope
Explanation
No particular protection of per-
sons against direct contact with
active or moved parts. No pro-
tection of equipment against
penetration by solid foreign
matters
Protection against accidental
contact with active and internal
mobile parts, e.g. with the hand,
but no protection against delib-
erate access to these parts.
Protection against penetration
by solid foreign matters with a
diameter 50 mm.
Protection against contact with
active or internal mobile parts.
Protection against penetration
by foreign matters with a diame-
ter 12 mm.
Protetcion against contact with
active or internal mobile parts
with tools, wires or similar ob-
jects having a thickness
2.5mm. Protection against
penetration by solid foreign
matters with a diameter 2.5
mm.
Protection against contact of
active or internal mobile parts
with tools, wires or similar ob-
jects having a thickness 1 mm.
Complete protection against
contact with live parts or internal
mobile parts. Protection against
harmful dust deposits. Dust
penetration cannot be complete-
ly prevented, but the dust must
not penetrate to an extent that
the operating mode is impaired.
Complete protection against
contact with live parts or internal
mobile parts. Protection against
dust penetration.
Instructions de service PETRODAT 3002 SA 070807 17.16/ HaK
Protection degrees for water protection against foreign matters
Se-
cond
Designation
code
0
No protection
1
Protection against
vertically falling drip-
ping water
2
Protection against
dripping water falling
perpendicularly
3
Protection against
spray water
4
Protection against
splash water
5
Protection against
water jets
6
Protection against
flooding
7
Protection in case of
immersion
8
Protection in case of
submersion
Example
Code letters IP 65
Consignes de sécurité
Protection scope
Explanation
No particular protection
Water drops falling vertically
must not have a harmful effect
Water drops falling perpendicu-
larly at any angle up to 15
degrees must not have a harm-
ful effect
Water drops falling at any angle
up to 60 degrees must not
have a harmful effect
Water splashing from all direc-
tions against the equipment
must not have a harmful effect.
A water jet from a nozzle
splashing from all directions
against the equipment must not
have a harmful effect.
In case of temporary flooding,
e.g. caused by rough seas
water must not penetrate the
equipment in a harmful way
Water must not penetrate the
equipment in a harmful way if
the equipment is immersed into
water under defined pressure
and time conditions.
Water must not penetrate the
equipment in a harmful way if
the equipment is submersed in
water
First index : Protection against
contact with and penetration by
foreign matters
Second index: Protection
against liquids
9
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