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Ingress Protection Chart
The Ingress Protection (IP) for all low voltage enclosures up to
1000 V a.c. and 1500 V d.c. is defined in identical fashion by the
standards EN 60529 - IEC 529 it comprises the letters IP followed by
two character numerals and or additional/supplementary letters.
The first character numeral
indicates the degree of protection
provided by the enclosure against access to hazardous parts by
preventing or limiting the ingress of a part of the human body or an
object held by a person and ingress of solid foreign objects.
The first character numeral:
Protection against foreign objects
IP Description
0
Non-protected
1
Protected against solid objects ≥ than
50mm
2
Protected against solid objects ≥ than
12.5mm
3
Protected against solid objects ≥ than
2.5mm
4
Protected against solid objects ≥ than
1.0mm
5
Dust-protected
6
Dust-tight
The second character numeral
indicates the degree of protection
provided by the enclosure with respect to harmful effects on the
equipment due to the ingress of water. An X signifies that the tests
are not applicable to the product.
The second character numeral:
Protection against ingress of water with harmful effects
IP Description
0
Non-protected
1
Protected against vertically falling water
drops
2
Protected against vertically falling water
drops when enclosure titled up to 15°
3
Protected against spraying water
4
Protected against splashing water
5
Protected against water jets
6
Protected against powerful water jets
7
Protected against the effect of temporary
immersion in water
8
Protected against continuous immersion
in water
Additional letter (in option)
Protection of people against access to hazardous parts
Description
A
Protected against access to hazardous parts with
the back of the hand
B
Protected against access to hazardous parts with
a finger
C
Protected against access to hazardous parts with a
tool - ø 2.5mm
D
Protected against access to hazardous parts with a
wire - ø 1mm
Additional letter (in option)
Specific information on the product
Description
H
High voltage apparatus
M
Motion during water test
S
Stationary during water test
W
Weather conditions