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Topic Title: Difference between IP2X and IPXXB
Topic Summary: Fingers!!
Created On: 30 June 2005 12:19 PM
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 30 June 2005 12:19 PM
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bazza

Posts: 533
Joined: 31 March 2005

Am trying to get a clear differentiation between the IP codes IPXXB and IP2X.

They seem to be generally interchangeable but one seems to be relating to the British Standard Finger.

Does anyone have a clear doc that explains it please?

Thankx

Bazza
 30 June 2005 01:31 PM
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mld6

Posts: 31
Joined: 11 November 2004

Bazza,
Try this document
http://www.eiema.org.uk/assets/pdfs/IPCodes.pdf



hope this helps, Mark

Edited: 30 June 2005 at 02:22 PM by mld6
 30 June 2005 02:31 PM
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docourt

Posts: 210
Joined: 18 January 2003

Degrees of Protection Provided by Enclosures (IP Code)


Document Number : BS EN 60529
Publication Date : 1992-01-31 00:00:00.0
Status : CURR (Current MB)
Organization : British Standards Institution
Gives uniformity in methods of describing the protection provided by enclosures and in tests to prove various degrees of protection. Provides an optional extension of the IP code by an additional letter A-D, if the actual protection of persons against access to hazardous parts is higher than that indicated by the first characteristic numeral.
 30 June 2005 03:09 PM
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deleted_beenthere

Posts: 111
Joined: 24 May 2005

for IP2X

The test is made with a metallic British standard finger 12.5mm in diameter. Full penetration into the enclosure is not allowed, both joints of the finger may be bent through 90 degrees with respect to the axis of the finger but in one and the same direction only. The finger is pushed without undue force, maximum 10 Newtons, against any opening in the enclosure. If it enters it is placed in every possible position. A low voltage supply not less than 40v and not exceeding 50v is placed in series with a suitable test lamp, the test finger and the live parts within the enclosure, the protection is satisfactory if the lamp does not light. To comply to IP2X the test finger must have adequate clearance from hazardous parts.

for IPXXB
Full penetration of the British Standard test finger to a maximum of 80mm, the test is the same as that stated in IP2X and the finger must not come into contact with hazardous parts to comply to this requirement

If the installation passes IPXXB then it also passes IP2X

cheers
Keith
 30 June 2005 04:12 PM
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bazza

Posts: 533
Joined: 31 March 2005

Thanks guys, a very fine distinction between the two then. Much clearer. Ta muchly

Bazza
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