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Design and Theory

IP ratings stand for International Protection code ratings.  The IP rating is a measure of how well an item protects itself from dust and liquid ingress.

Overview of IP ratings and how they are applied to actuators


IP rating meaning

The rating is made up of two numbers.  See the table below for the breakdown. The meaning of the first number is in the first column, and the meaning for the second number is in the second column.

IP rating table

Examples

IP rating Protection against

IP45 Solid objects over 1.0 mm, Protected against low-pressure water jets

IP66Dust-tight, Protected against powerful water jets (static/dynamic)

IP67Dust-tight, Protected against the effects of temporary immersion in water (static)

IP69k Dust-tight, Protected against high pressure and temperature water jets (static)


Examples of texting IP66 vs IP69k

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