Technical Information
Optex uses parts that meet various requirements of international standards in order to meet strict rules for putting safety markings on our products. These standards often require that devices meet or surpass certain ratings specified by IP (International Protection) Code. IP tests have been done based on the Standard, IEC529 which is required for our all products. IP Codes are often required even for parts or partially assembled products. Following is a brief explanation on the meaning of each number of the IP Code.
Arrangement of the IP Code
Dust-tight. No ingress of dust
Degrees of Protection Against Water
0
Non-protected
0
Non-protected
1
Protected against solid foreign objects of 50mm
diameter and greater, such as a fist
1
Protected against vertically falling water drops
2
Protected against solid foreign objects of 12.5mm
diameter and greater, such as a finger
2
Protected against vertically falling water drops
when enclosure tilted up to 15º
3
Protected against solid foreign objects of 2.5mm
diameter and greater, such as a tool
3
Protected against spraying water at an angle
up to 60º
4
Protected against solid foreign objects of 1.0mm
diameter and greater, such as a wire
4
Protected against splashing water from any direction
5
Dust-protected. Ingress of dust is not totally
prevented but dust shall not penetrate in a quantity to interfere with
satisfactory operation of the apparatus or impair safety
5
Protected against water jet from any direction
6
Dust-tight. No ingress of dust
6
Protected against powerful water jets from any
direction
7
Water-protected. Protected against the effect
of temporary immersion in water
8
Waterproof. Protected against the effect of continuous
immersion in water
