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Ingress Protection (IP) Codes

The IP Code defined in international standard IEC 60529 classifies the degrees of protection provided against the intrusion of solid objects (including body parts like hands and fingers), dust, accidental contact, and water in electrical enclosures. It consists of the letters IP (for "international protection rating", sometimes also interpreted as "ingress protection rating") followed by two digits and an optional letter. The standard aims to provide users more detailed information than vague marketing terms such as "waterproof".

First number (Protection against solid objects)

Definition

Second number (Protection against liquids)

Definition

0

No protection

0

No protection

1

Protected against solids objects over 50mm (e.g. accidental touch by hands

1

Protected against vertically falling drops of water

2

Protected against solids objects over 12mm (e.g. fingers)

2

Protected against direct sprays up to 15o from the vertical

3

Protected against solids objects over 2.5mm (e.g. tools and wires)

3

Protected against direct sprays up to 60o from the vertical

4

Protected against solids objects over 1mm (e.g. tools, wires and small wires

4

Protected against sprays from all directions - limited ingress permitted

5

Protected against dust - limited ingress (no harmful deposit)

5

Protected against low pressure jets if water from all directions - limited ingress permitted

6

Totally protected against dust

6

Protected against strong jets of water e.g. for use on ship decks - limited ingress permitted

 

 

7

Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes

 

 

8

Protected against long periods of immersion under pressure


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