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IP Rated Guide

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IP Code

The IP Code (or International Protection Rating, sometimes also interpreted as Ingress Protection Rating*) consists of the letters IP followed by two digits and an optional letter. As defined in international standard IEC 60529, it 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. The standard aims to provide users more detailed information than vague marketing terms such as waterproof.

The digits (characteristic numerals) indicate conformity with the conditions summarized in the tables below. For example, an electrical socket rated IP22 is protected against insertion of fingers and will not be damaged or become unsafe during a specified test in which it is exposed to vertically or nearly vertically dripping water. IP22 or 2X are typical minimum requirements for the design of electrical accessories for indoor use.

*Explanation of the letters IP is given in IEC 60529 (Ed. 2.1), clause 4.1

Sample IP Rating

IP

-

6

8

 

 

First Digit: Solids

Second Digit: Liquids

 First Digit: Solids

The first digit indicates the level of protection that the enclosure provides against access to hazardous parts (e.g., electrical conductors, moving parts) and the ingress of solid foreign objects.

Level

Object size protected against

Effective against

0

Not protected

No protection against contact and ingress of objects

1

>50mm

Any large surface of the body, such as the back of the hand, but no protection against deliberate contact with a body part.

2

>12.5mm

Fingers or similar objects.

3

>2.5mm

Tools, thick wires, etc.

4

>1mm

Most wires, screws, etc.

5

Dust Protected

Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment; complete protection against contact.

6

Dust Tight

No ingress of dust; complete protection against contact.

 Second Digit: Liquids

Protection of the equipment inside the enclosure against harmful ingress of water.

Level

Object size protected against

Effective against

0

Not protected

-

1

Dripping water

Dripping water (vertically falling drops) shall have no harmful effect.

2

Dripping water when tilted up to 15°

Vertically dripping water shall have no harmful effect when the enclosure is tilted at an angle up to 15° from its normal position.

3

Spraying water

Water falling as a spray at any angle up to 60° from the vertical shall have no harmful effect.

4

Splashing water

Water splashing against the enclosure from any direction shall have no harmful effect.

5

Water jets

Water projected by a nozzle (6.3mm) against enclosure from any direction shall have no harmful effects.

6

Powerful water jets

Water projected in powerful jets (12.5mm nozzle) against the enclosure from any direction shall have no harmful effects.

7

Immersion up to 1m

Ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time (up to 1 m of submersion).

8

Immersion beyond 1m

The equipment is suitable for continuous immersion in water under conditions which shall be specified by the manufacturer. Normally, this will mean that the equipment is hermetically sealed. However, with certain types of equipment, it can mean that water can enter but only in such a manner that it produces no harmful effects.

 IP Rating Reference Chart

Below is an easy to follow reference chart to help you decide which IP rating you need or have.

IP Number

First Digit - SOLIDS

Second Digit - LIQUIDS

IP00

Not protected from solids.

Not protected from liquids.

IP01

Not protected from solids.

Protected from condensation.

IP02

Not protected from solids.

Protected from water spray less than 15 degrees from vertical.

IP03

Not protected from solids.

Protected from water spray less than 60 degrees from vertical.

IP04

Not protected from solids.

Protected from water spray from any direction.

IP05

Not protected from solids.

Protected from low pressure water jets from any direction.

IP06

Not protected from solids.

Protected from high pressure water jets from any direction.

IP07

Not protected from solids.

Protected from immersion between 15 centimetres and 1 meter in depth.

IP08

Not protected from solids.

Protected from long term immersion up to a specified pressure.

IP10

Protected from touch by hands greater than 50 millimetres.

Not protected from liquids.

IP11

Protected from touch by hands greater than 50 millimetres.

Protected from condensation.

IP12

Protected from touch by hands greater than 50 millimetres.

Protected from water spray less than 15 degrees from vertical.

IP13

Protected from touch by hands greater than 50 millimetres.

Protected from water spray less than 60 degrees from vertical.

IP14

Protected from touch by hands greater than 50 millimetres.

Protected from water spray from any direction.

IP15

Protected from touch by hands greater than 50 millimetres.

Protected from low pressure water jets from any direction.

IP16

Protected from touch by hands greater than 50 millimetres.

Protected from high pressure water jets from any direction.

IP17

Protected from touch by hands greater than 50 millimetres.

Protected from immersion between 15 centimetres and 1 meter in depth.

IP18

Protected from touch by hands greater than 50 millimetres.

Protected from long term immersion up to a specified pressure.

IP20

Protected from touch by fingers and objects greater than 12 millimetres.

Not protected from liquids.

IP21

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from condensation.

IP22

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from water spray less than 15 degrees from vertical.

IP23

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from water spray less than 60 degrees from vertical.

IP24

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from water spray from any direction.

IP25

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from low pressure water jets from any direction.

IP26

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from high pressure water jets from any direction.

IP27

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from immersion between 15 centimetres and 1 meter in depth.

IP28

Protected from touch by fingers and objects greater than 12 millimetres.

Protected from long term immersion up to a specified pressure.

IP30

Protected from tools and wires greater than 2.5 millimetres.

Not protected from liquids.

IP31

Protected from tools and wires greater than 2.5 millimetres.

Protected from condensation.

IP32

Protected from tools and wires greater than 2.5 millimetres.

Protected from water spray less than 15 degrees from vertical.

IP33

Protected from tools and wires greater than 2.5 millimetres.

Protected from water spray less than 60 degrees from vertical.

IP34

Protected from tools and wires greater than 2.5 millimetres.

Protected from water spray from any direction.

IP35

Protected from tools and wires greater than 2.5 millimetres.

Protected from low pressure water jets from any direction.

IP36

Protected from tools and wires greater than 2.5 millimetres.

Protected from high pressure water jets from any direction.

IP37

Protected from tools and wires greater than 2.5 millimetres.

Protected from immersion between 15 centimetres and 1 meter in depth.

IP38

Protected from tools and wires greater than 2.5 millimetres.

Protected from long term immersion up to a specified pressure.

IP40

Protected from tools and small wires greater than 1 millimetre

Not protected from liquids.

IP41

Protected from tools and small wires greater than 1 millimetre

Protected from condensation.

IP42

Protected from tools and small wires greater than 1 millimetre

Protected from water spray less than 15 degrees from vertical.

IP43

Protected from tools and small wires greater than 1 millimetre

Protected from water spray less than 60 degrees from vertical.

IP44

Protected from tools and small wires greater than 1 millimetre

Protected from water spray from any direction.

IP45

Protected from tools and small wires greater than 1 millimetre.

Protected from low pressure water jets from any direction.

IP46

Protected from tools and small wires greater than 1 millimetre

Protected from high pressure water jets from any direction.

IP47

Protected from tools and small wires greater than 1 millimetre

Protected from immersion between 15 centimetres and 1 meter in depth.

IP48

Protected from tools and small wires greater than 1 millimetre

Protected from long term immersion up to a specified pressure.

IP50

Protected from limited dust ingress.

Not protected from liquids.

IP51

Protected from limited dust ingress.

Protected from condensation.

IP52

Protected from limited dust ingress.

Protected from water spray less than 15 degrees from vertical.

IP53

Protected from limited dust ingress.

Protected from water spray less than 60 degrees from vertical.

IP54

Protected from limited dust ingress.

Protected from water spray from any direction.

IP55

Protected from limited dust ingress.

Protected from low pressure water jets from any direction.

IP56

Protected from limited dust ingress.

Protected from high pressure water jets from any direction.

IP57

Protected from limited dust ingress.

Protected from immersion between 15 centimetres and 1 meter in depth.

IP58

Protected from limited dust ingress.

Protected from long term immersion up to a specified pressure.

IP60

Protected from total dust ingress.

Not protected from liquids.

IP61

Protected from total dust ingress.

Protected from condensation.

IP62

Protected from total dust ingress.

Protected from water spray less than 15 degrees from vertical.

IP63

Protected from total dust ingress.

Protected from water spray less than 60 degrees from vertical.

IP64

Protected from total dust ingress.

Protected from water spray from any direction.

IP65

Protected from total dust ingress.

Protected from low pressure water jets from any direction.

IP66

Protected from total dust ingress.

Protected from high pressure water jets from any direction.

IP67

Protected from total dust ingress.

Protected from immersion between 15 centimetres and 1 meter in depth.

IP68

Protected from total dust ingress.

Protected from long term immersion up to a specified pressure.

IP69K

Protected from total dust ingress.

Protected from steam-jet cleaning.

 References

  1. IEC 60529, "degrees of Protection Provided by Enclosures (IP Codes)," Ed. 2.1 (Geneva: International Electro-technical Commission, 2011)
  2. IEC 60529 (Ed. 2.1), clause 4.1.