IP code: Difference between revisions

Revision as of 20:54, 13 August 2005

Revision as of 21:16, 13 August 2005

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==First digit==

ProtectionThe offirst personsdigit againstindicates contactthe withlevel orof approachprotection tothat livethe partsenclosure andprovides against contactaccess withto movinghazardous parts (othere.g., thanelectrical smoothconductors, rotatingmoving shafts and the likeparts) inside the enclosure and protection of the equipment against ingress of solid foreign bodiesobjects.

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==Third digit==

AnNot defined in IEC 60529, but covered in some national variants of the standard, is an optional third digit that can be added to indicate how well the deviceenclosure is protectionprotected against mechanical impact damage. The table below lists both the impact energy in [[joules]], as well as the mass of a test opject that will provide this impact energy if dropped from the given height above the impact surface.

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==Additional letters==

The standard defines additional letters that can be appended to classify only the level of protection against access to hazardous parts by persons:

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! Level

! Protected against access to hazardous parts with

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| A || back of hand

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| B || finger

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| C || tool

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| D || wire

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Further letters can be appended to provide additional information related to the protection of the device:

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! Letter

! Meaning

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| H || high voltage device

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| M || device moving during water test

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| S || device standing still during water test

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| W || weather conditions

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==References==