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IP Ratings
| The IP rating system provides a means of classifying the degrees of protection from dust, water and impact afforded by electrical equipment and enclosures. |
Details of a third IP numeral are also shown, this figure is used in corresponding international standards to indicate degrees of resistances to impact. |
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IP
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FIRST NUMBER
Protection Against Solid Objects
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IP
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SECOND NUMBER
Protection Against Liquids
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IP
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THIRD NUMBER
Protection Against Mechanical Impacts
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0
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No Protection |
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0
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No Protection |
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0
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No Protection |
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1
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Protected against solid objects over 50 mm, eg. accidental toach by hands. |
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1
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Protected against vertically falling drops of water |
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1
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Impact 0.225 joule |
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2
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Protected against solid objects over 12 mm, eg fingers |
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2
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Protected against direct sprays of water up to 15° from vertical |
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2
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Impact 0.375 joule |
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3
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Protected against solid objects over 2.5 mm (tools, wires) |
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3
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Protected against sprays to 60° from vertical |
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3
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Impact 0.50 joule |
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4
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Protected against solid objects over 1 mm (tools, wires, small wires) |
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4
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Protected against water sprayed from all directions - limited ingress permitted |
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5
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Impact 2.00 joule |
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5
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Protected against dust - limited ingress (no harmful deposit) |
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5
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Protected against low pressure jets of water from all directions - limited ingress permitted |
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7
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Impact 5.00 joule |
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6
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Totally protected against dust |
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6
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Protected against strong jets of water, e.g for use on ship decks limited ingress permitted |
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9
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Impact 20.00 joule |
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7
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Protected against the effects of immersion between 15cm and 1m |
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8
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Protected against long periods of immersion under pressure |
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