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Appendix C
Enclosure Ratings
158
Degree of Protection Against Water
Degree
Protection
Test method (with fresh water)
0
No protection
Not protected
against water.
No test
1
Protection against water
drops
Protects against
vertical drops of
water towards the
product.
Water is dropped vertically
towards the product from
the test machine for 10
min.
200 mm
2
Protection against water
drops
Protects against
drops of water
approaching at a
maximum angle of
15
°
to the left,
right, back, and
front of vertical
towards the
product.
Water is dropped for 2.5
min each (i.e., 10 min in
total) towards the product
inclined 15
°
to the left,
right, back, and front from
the test machine.
200 mm
3
Protection against
sprinkled water
Protects against
sprinkled water
approaching at a
maximum angle of
60
°
from vertical
towards the
product.
Water is sprinkled at a
maximum angle of 60
°
to the
left and right from vertical for
10 min from the test machine
Water rate is 0.07
liter/min per hole.
4
Protection against water
spray
Protects against
water spray
approaching at any
angle towards the
product.
Water is sprayed at any angle
towards the product for 10 min
from the test machine.
Water rate is 0.07
liter/min per hole.
5
Protection against water
jet spray
Protects against
water jet spray
approaching at any
angle towards the
product.
Water is jet sprayed at any angle
towards the product for 1 min
per square meter for at least 3
min in total from the test
machine.
12.5 liter/min
2.5 to 3 m
Discharging nozzle: 6.3
dia.
6
Protection against
high-pressure water jet
spray
Protects against
high-pressure
water jet spray
approaching at any
angle towards the
product.
Water is jet sprayed at any angle
towards the product for 1 min per
square meter for at least 3 min in
total from the test machine.
100 liter/min
2.5 to 3 m
Discharging nozzle: 12.5
dia.
7
Protection underwater
Resists the
penetration of
water when the
product is placed
underwater at
specified pressure
for a specified
time.
The product is placed 1 m deep
in water (if the product is 850
mm max. in height) for 30 min.
1 m
8
Protection underwater
Can be used
continuously
underwater.
The test method is determined by the manufacturer and
user.
AUDIN - 7 bis rue de Tinqueux - 51100 Reims - France - Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : [email protected]