Enclosures
The degree of protection indicates the suitability of a motor for specific ambient conditions
with regard to humidity as well as the protection against contact and the ingress of foreign
particles. The degrees of protection are classified by EN 60529.
The first code number after the code letters IP indicates the protection against the ingress of
foreign particles and dust.The second code number refers to the protection against the ingress
of humidity.
Code number 1 Degree of protection
Code number 2 Degree of protection
0
No protection
0
No protection
1
Protection against the ingress of foreign particles d >
50 mm. No protection in case of deliberate access.
1
Protection against vertically dripping water (dripping
water).
2
Protection against medium-sized foreign particles,
d > 12 mm, keeping away fingers or similar.
2
Protection against diagonally falling water (dripping
water), 15 ° compared to normal service position.
3
Protection against small foreign particles d > 2.5 mm.
Keeping away tools, wires or similar.
3
Protection against spraying water, up to 60 ° to the ver-
tical
4
Protection against granular foreign particles, d > 1 mm,
keeping away tools, wire or similar.
4
Protection against spraying water from all directions.
5
Protection against dust deposits (dust-protected), com-
plete protection against contact.
5
Protection against water jets from all directions.
6
Protection against the ingress of dust (dust-proof),
complete protection against contact.
6
Protection against choppy seas or heavy water jets
(flood protection).
Appendix
Good to know
Enclosures
70
