Copyright 2004.
All Rights Reserved. Formerly
Panel Components Corporation
IP (Ingress Protection)
Code Symbols
The chart below illustrates the use of special symbols in the IP classification system. In the "1st digit" columns, note the grid-like symbols next to numbers 5 and 6. In the "2nd digit" columns numbers 3–8 are symbolized by teardrop shaped symbols, sometimes enclosed in a box or a triangle, sometimes unenclosed (7–8). These symbols can be placed on equipment to illustrate the IP protection provided.
1st Digit
Protection from solid objects
2nd Digit
Protection from moisture
0
Non protected
0
Non protected
1
Protected against solid objects greater than 50mm
1
Protected against vertically
dripping water
2
Protected against solid objects greater than 12.5mm
2
Protected against dripping water when tilted up to 15°
3
Protected against solid objects greater than 2.5mm
3
Protected against spraying water
4
Protected against solid objects greater than 1.0mm
4
Protected against splashing water
5
Dust protected
5
Protected against jetting water
6
Dust tight
6
Protected against powerfully
jetting water
Note: IEC 60529 does not specify sealing effectiveness against the following: mechanical damage of the equipment; the risk of explosions; certain types of moisture conditions, e.g., those that are produced by condensation; corrosive vapors; fungus; vermin.
