14 Glossary
100_0000_0005.fm 35
Protection rating IP
The protection rating DIN EN 60529 indicates the suitability of electrical ma-
chines for certain environmental conditions and also the protection against haz-
ards.
The protection rating is specified with an IP code according to DIN EN 60529.
Code Significance of 1st digit:
Protection against contact with hazardous parts.
Protection against ingress of foreign bodies.
0 Not protected against contact.
Not protected against foreign bodies.
1 Protected against contact with the back of the hand.
Protected against large foreign bodies with a diameter of > 50 mm.
2 Protected against contact with a finger.
Protected against medium-sized foreign bodies (diameter > 12.5 mm).
3 Protected against contact with a tool (diameter > 2.5 mm).
Protected against small foreign bodies (diameter of > 2.5 mm).
4 Protected against contact with a wire (diameter > 1 mm).
Protected against particle shape foreign bodies (diameter > 1 mm).
5 Protected against contact.
Protected against dust deposits inside.
6 Completely protected against contact.
Protected against dust ingress.
Code Significance of 2nd digit:
Protection against ingress of water
0 Not protected against water penetration.
1 Protected against vertically falling drip water.
2 Protected against angled falling drip water (15° inclination).
3 Protected against spray water (60° inclination).
4 Protected against splash water from all directions.
5 Protected against water jets (nozzle) from any angle.
6 Protected against powerful water jets (flooding).
7 Protected against temporary submersion in water.
8 Protected against continuous submersion in water.
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