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Ingress Protection (IP) according to EN 60529 / DIN 40050

A standard to classify product performance regarding ingress protection.

The protective systems are stated through a short-code sign, composing of the two unchangeable indicating letters IP and two indexes for the protection degree i.a. IP 68.

The first digit stands for:
Protection against contact and penetration of foreign objects

Index

Designation

Protection scope Description

0 No protection No contact protection, no protection against
solid particles and bodies
1 Protection against large foreign bodies Protection against large contact area with
hands and foreign bodies with Ø > 50mm
2 Protection against medium foreign bodies Protection against contact with fingers, protection
against foreign bodies Ø > 12.5 mm
3 Protection against small foreign bodies Protection against tool contact foreign bodies, wires
or the like with Ø > 2.5 mm
4 Protection against foreign grains Protection against tool contact foreign bodies, wires
or the like with Ø > 1 mm
5 Dust-protected Full contact protection.Protection against dust
deposits inside
6 Dust-tight Full contact protection. Protection against
dust penetration

The second digit stands for:
Protection against fluids

Index

Designation

Protection scope Description

0 No protection No protection against water
1 Protection against dripping water Protection against vertical water drops
2 Protection against inclined water drops Protection against inclined water drops
(any angle up to 15° to vertical line)
3 Protection against spray-water Protection against spray water from an angle
of 60° to vertical line
4 Protection against splash-water Protection against splash water from all
directions
5 Protection against water jets Protection against water jets from any angle
6 Protection against powerful water jets Protection against powerful water jets
from any angle
7 Protection against immersion Protection against water penetration 1 m
below water
8 Protection against submersion Protection against pressure water for an
indefinite time (customer tailored)
9K Protection against high pressure cleaning Protection against water from any angle
with high pressure

Ingress Protection (IP)

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