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Degrees of protection provided by
enclosures (IP-Code)
according to IEC 60529
Protections against solid foreign objects,
marked first index
First Protection grade
Index Short description Definition
0 Non-protected …
Protected against The object probe, sphere of 50 mm
1 solid foreign diameter, shall not fully penetrate *)
objects of 50 mm
diameter and greater
Protected against The object probe, sphere of 12,5 mm
2 solid foreign diameter, shall not fully penetrate *)
objects of 12,5 mm
diameter and greater
Protected against The object probe, sphere of 2,5 mm
3 solid foreign diameter, shall not penetrate at all *)
objects of 2,5 mm
diameter and greater
Protected against The object probe, sphere of 1 mm
4 solid foreign diameter, shall not penetrate at all *)
objects of 1 mm
diameter and greater
Dust-protected Ingress of dust is not totally prevented,
but dust shall not penetrate in a quantity
5 to interfere with satisfactory operation
of apparatus or to impair safety
6 Dust-tight No ingress of dust
Note: The full diameter of the objekt probe shall not pass
through an opening of the enclosure Modes of protection
Protections against water ,
marked second index
Second Protection grade
index Short description Definition
0 Non-protected …
1 Protected against Vertically falling drops shall
falling water drops
have no harmful effects
Protected against Vertically falling drops shall have no
2 falling water drops harmful effects when the enclosure is
when enclosure
tilted at any angle up to 15° on either side
tilted up to 15° of the vertical
Protected against Water sprayed at an angle up to 60° on
3 spraying water either side of the vertical shall have no
harmful effects
Protected against Water splashed against the enclosure
4 splashing water from any direction shall have no harmful
effects
Protected against Water projected in jets against the
5 water jet enclosure from any direction shall have
no harmful effects
Protected against Water projected in powerful jets against
6 powered water jets the enclosure from any direction shall
have no harmful effects
Protected against the Ingress of water in quantities causing
effects of temporary harmful effects shall not be possible when
7 immersion in water enclosure is temporarily immersed
in water under standardised conditions
of pressure and time
Protected against the Ingress of water in quantities causing
effects of continuous harmful effects shall not be possible when
immersion in water enclosure is continuously immersed
8 in water under conditions which shall be
agreed between manufacturer and user
but which are more severe than for
numeral 7
Example
Code IP 6 8
WWW.RCCN.COM.CN
enclosures (IP-Code)
according to IEC 60529
Protections against solid foreign objects,
marked first index
First Protection grade
Index Short description Definition
0 Non-protected …
Protected against The object probe, sphere of 50 mm
1 solid foreign diameter, shall not fully penetrate *)
objects of 50 mm
diameter and greater
Protected against The object probe, sphere of 12,5 mm
2 solid foreign diameter, shall not fully penetrate *)
objects of 12,5 mm
diameter and greater
Protected against The object probe, sphere of 2,5 mm
3 solid foreign diameter, shall not penetrate at all *)
objects of 2,5 mm
diameter and greater
Protected against The object probe, sphere of 1 mm
4 solid foreign diameter, shall not penetrate at all *)
objects of 1 mm
diameter and greater
Dust-protected Ingress of dust is not totally prevented,
but dust shall not penetrate in a quantity
5 to interfere with satisfactory operation
of apparatus or to impair safety
6 Dust-tight No ingress of dust
Note: The full diameter of the objekt probe shall not pass
through an opening of the enclosure Modes of protection
Protections against water ,
marked second index
Second Protection grade
index Short description Definition
0 Non-protected …
1 Protected against Vertically falling drops shall
falling water drops
have no harmful effects
Protected against Vertically falling drops shall have no
2 falling water drops harmful effects when the enclosure is
when enclosure
tilted at any angle up to 15° on either side
tilted up to 15° of the vertical
Protected against Water sprayed at an angle up to 60° on
3 spraying water either side of the vertical shall have no
harmful effects
Protected against Water splashed against the enclosure
4 splashing water from any direction shall have no harmful
effects
Protected against Water projected in jets against the
5 water jet enclosure from any direction shall have
no harmful effects
Protected against Water projected in powerful jets against
6 powered water jets the enclosure from any direction shall
have no harmful effects
Protected against the Ingress of water in quantities causing
effects of temporary harmful effects shall not be possible when
7 immersion in water enclosure is temporarily immersed
in water under standardised conditions
of pressure and time
Protected against the Ingress of water in quantities causing
effects of continuous harmful effects shall not be possible when
immersion in water enclosure is continuously immersed
8 in water under conditions which shall be
agreed between manufacturer and user
but which are more severe than for
numeral 7
Example
Code IP 6 8
WWW.RCCN.COM.CN
