Instructions for use
SCU 835 / SEC 15
Attention
The housing cover should be screwed on with a torque of approx.
1.2 Nm
. If the torque is exceeded, the
connection box
CBO 15
could be damaged. If the torque falls below this value, the product standard may
expire certificates and approvals if these no longer correspond to the tests for vibration and shock.
In case of non-observance, any warranty for consequential damage or complaints is void!
15
Information about IP protection classes
The
IP
protection classes for electrical equipment are classified according to
EN 60529
.
1
st
figure
2
nd
figure
Degree of protection against contact and foreign
Degree of protection against fluids (water
body protection
protection)
IP
specifications Description
IP
specifications Description
0
No
protection
0
No
protection
1
Protection against penetration by solid
foreign matters larger than
50 mm
(accidental touching by hand)
1
Protection against vertically dripping
water
2
Protection against penetration by solid
foreign matters larger than
12 mm
(touching by fingers)
2
Protection against drip water falling at
an angle of up to
15
degrees
3
Protection against penetration by solid
foreign matters larger than
2.5 mm
(touching with tools, wires etc. larger
than
2.5 mm
)
3
Protection against spray water falling at
an angle of up to
60
degrees
4
Protection against penetration by solid
foreign matters larger than
1 mm
(touching with tools, wires etc. larger
than
1 mm
)
4
Protection against splash water from all
directions
5
Complete protection from being
touched. Protection from harmful dust
deposits – dust penetration is not com-
pletely prevented
5
Protection against water jets from all dir-
ections
6
Complete protection from being
touched. Protection against penetration
by dust
6
Protection against temporary flooding
e.g. by rough sea
7
Protection when submersed in water at
specified pressure and unspecified
duration
8
Protection when submersed in water at
elevated pressure and unspecified
time
Table 50: Information about IP protection classes
Pictograms and text contents of the IP protection classes with kind permission of HUGRO-Armaturen GmbH (www.hugro.com).
Page 108/112
LISTEC GmbH
60T328-02-LI-en / 29.01.2021