Cavity Wall and Trunking Boxes: Spelsberg
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Technical Information for Cavity Wall and Trunking Boxes

Pictograms

Protection rating (IP code) in
accordance with DIN EN 60529
(VDE 0470-1)

The VDE symbol stands for the tested
safety of the product in respect of electrical,
mechanical, thermal and other hazards

Halogen-free enclosure,
without halogens such as fluorine, chlorine
and bromine

Overview of the ambient conditions and mechanical properties of the els products

 Ambient temperatureMax. relative humidity
 min.max.average over 24 hat 40°Cat 25°C (short-term)Protection rating according to DIN EN 60529 / VDE 0470-11)Shock-proof as per DIN EN 50102 / DE 0470 Teil 100
HW
flush-mounted installation system
-25°C40°C35°C50%not specifiedIP30not specified
KD
channel installation system
-25°C40°C35°C50%not specifiedIP20not specified

Additional note: The specified temperatures may be limited by the installed devices.
1)When used with suitable connectors or cable screw couplings

Overview of the properties of the materials used in els installation systems

MaterialUsed in the products:

Weak acids

Weak acids

Weak alkalis

Strong alkalis

Alcohol

Petrol

Benzene

Mineral oil

Diesel

Amonia, gaseous
(DLG Focus Test)

Vegetable fats

Animal fats

Halogen-free

Heavy metal-
PVC- und silicon-free

Combustion behaviour in accordance with 
DIN EN 60695
(VDE 0471) / UL94

PolypropyleneHW programoooooøøoxnot speci-
fied
oonoxes850°C / V-2
Polypropylene

HW program, halogen-free

oooooøøoxnot speci-
fied
oonoyes960°C / V-2

o = resistant  /  ø = partially resistant  /  x = not resistant

When selecting the installation location, the climatic conditions and the occurrence of chemical influences should generally be examined in addition to the protection rating. Details of material properties and chemical resistance of the materials can be seen from the table, though these are simply guide values.

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