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Home   >   Products   >   Articles   >   What Is An IP Rating?

IP Ratings are a system designed to classify the degrees of protection or sealing that your electrical component has from foreign objects, such as fingers, tools, dust, and moisture. This system is recognized in most European Countries and is outlined in BS EN 60529. This classification system uses the letters IP, abbreviated for "Ingress Protection", followed by two digits.

The first digit represents the protection your component has against solid objects, including protection from hands, tools, wires, dust, etc. The larger the number, the greater the components protection from solid objects. The second number represents the components protection from liquids. The lower numbers reflect moisture from humidity, increasing to sprays of water, jets of water, to total immersion. For example, an encoder that is protected to IP65, is dust tight (dust will not enter) and is protected against low pressure jets of water in all directions, with limited ingress. The larger the IP number, the greater the protection.

1st Digit Protection Against Solids 2nd Digit Protection Against Liquids

0

No Protection

0

No Protection

1

Objects Greater Than 50MM
Protected against solid objects greater than 50 mm

1

Vertically Falling Water Drops
Protected against vertically falling drops of water

2

Objects Greater Than 12MM
Protected against solid objects greater than 12 mm

2

15 Degree Sprays of Vertical Water
Protected against direct sprays of water up to 15 degrees from the vertical

3

Objects Greater Than 2.5MM
Protected against solid objects greater than 2.5 mm

3

60 Degree Sprays of Vertical Water
Protected against direct sprays of water up to 60 degrees from the vertical

4

Objects Greater Than 1MM
Protected against solid objects greater than 1 mm

4

Water Sprays From All Directions
Protected against water sprays from all directions- limited ingress permitted

5

Dust Protected
Dust Protected

5

Low Pressure Jets of Water
Protected against low pressure jets of water in all directions- limited ingress permitted

6

Dust Tight
Dust Tight

6

Strong Pressure Jets of Water
Protected against strong pressure jets of water in all directions, limited ingress permitted

   

7

Water Immersion
Protected against water immersion between 15 cm and 1 m for a duration of 30 minutes

Many of Encoder Products Company Units Like the Model 725 can be sealed to IP66. This means EPC encoder is protected from dust, and strong jets of water in all directions with limited ingress.

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