-34-
4
．
Encloure
・
First Characteristics:Degrees of protection against solid foreign objects
0
Non-protected
1
Protected against solid foreign objects of 50 mm and grater
2
Protected against solid foreign objects of 12 mm and grater
3
Protected against solid foreign objects of 2.5 mm and grater
4
Protected against solid foreign objects of 1.0 mm and grater
5
Dust-protected
6
Dust-tight
・
Second Characteristics:Degrees of protection against water
0
Non-protected
-
1
Protected against vertically falling water drops
Dripproof type 1
2
Protected against vertically falling water drops when
enclosure tilted up to 15
°
Dripproof type 2
3
Protected against rainfall when enclosure tilted up to 60
°
Rainroof type
4
Protected against splashing water
Splashprof type
5
Protected against water jets
Water-jet-proof
type
6
Protected against powerful water jets
Powerful
water-jet-proof type
7
Protected against the effects of temporary immersion in water
Immersible type
8
Protected against the effects of continuous immersion in water
Submersible type
Example)IP65:Dust-tight, Water-jet-proof type ‘‘Water-jet-proof type’’ means that no water
intrudes inside an equipment that could hinder from operating normally by means of applying
water for 3 minutes in the prescribed manner. Take appropriate protection measures, since a
device is not usable in an environment where a droplet of water is splashed constantly.Keep
the flatness of the mounting surface within the following ranges when mounting the a
IP
－
First characteristic numeral
Second characteristic numeral