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INGRESS PROTECTION (IP) RATING ACCORDING TO EN 60529 - CEI 70-1
1st CHARACTERISTIC NUMBER:
PROTECTION AGAINST INGRESS OF SOLID MATTER
Protection against
ingress of solid
matter caused by
Test method
Accessibility gauge
ø 50 mm
Accessibility gauge
ø 12,5 mm
Accessibility gauge
ø 2,5 mm
Accessibility gauge
ø 1 mm
talcum
powder
talcum
powder
solid bodies
measuring
over 12,5 mm
solid bodies
measuring
over 2,5 mm
solid bodies
measuring
over 1 mm
powder in
harmful quantities
Powder
(completely protected )
0
1
PROTECTION
2
3
4
5
6
2nd CHARACTERISTIC NUMBER:
PROTECTION AGAINST INGRESS OF LIQUIDS
1st ADDITIONAL LETTER
RESTRICTED ENTRY TO DANGEROUS PARTS
Protection
against ingress of
liquids caused by
Test method
Permanent
Immersion
PROTECTION
8
Temporary
Immersion
7
Powerful jets of
water
6
Jets of water
5
Sprays of water
4
Rain
3
Vertical drops of
water with
inclination
of casing up to 15°
2
Drops of water
falling vertically
1 0
Agreement between
manufacturer and
user but more
severe than 7
solid bodies
measuring
over 50 mm
A
RESTRICTED
ENTRY
B
C
D
Test method
accessibility gauge
ø 50 mm
articulated test finger
accessibility gauge
ø 2,5 mm
Restricted entry to
dangerous parts
caused by
back of hand
finger
tool
wire
2nd ADDITIONAL LETTER
MEANING OF THE SECOND ADDITIONAL LETTER
H
SPECIFIC
CRITERIA
M
S
W
Specific criteria
High voltage equipment
Tested against negative effects of water
penetration, when the moveable parts
of the equipment (e.g. wheels
of a revolving machine) are moving
Tested against the negative effects of water
penetration, when the moveable parts
of the equipment (e.g. wheels
of a revolving machine) are stationary
Suitable for use in environmental
conditions as specified and equipped
with additional measures
of protection
The first digit (0-6 or X letter):
Protection against ingress of solid matter
Second digit (0-8 or X letter):
Protection against ingress of liquids
(A, B, C, D) for future use.
Restricted entry to dangerous parts:
(H,M,S,W) for future use. Specific criteria:
accessibility gauge
ø 1 mm