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© Siemens AG • 07/2003
Maintenance
Warning
Before any work starts:
Ø
switch off and isolate
Ø
secure against reclosing
Ø
verity that equipment is dead
Ø
earth and short circuit the equipment
Ø
cover or fence off nearby live parts
Death, severe injury and considerable damage to
property and environmental damage may result if
the safety instructions are not followed.
Ø
Confirm that these safety measures have been carried out.
For technical reasons the silicone sheds do not need cleaning. Should they nonetheless be cleaned,
only use clear or soapy water and a soft cloth or sponge.
Important
Do not use solvents or abrasive or scratching materials.
Regular maintenance of the arresters is not necessary.
The only monitoring required is to:
– Read the operations counter
– Check the tell-tale spark gap
– Check the arrester for any overloads (blackening or traces of burning at the blow-out aperture of
the flange). In such a case you will need to replace the arrester
Disposal arrester and arrester accessories
Surge arresters and the accessories are an environmentally compatible product. Environmentally ac-
ceptable disposal of the surge arresters and the accessories is possible in line with current legislation.
The following materials have been used to make up the device: Steel, aluminium, glass-fibre-
reinforced plastics, electronic components and silicon rubber (VMQ), ceramics (metal oxide).
According to current waste disposal techniques, arresters type 3EL2 cannot be used for neither mate-
rial nor thermal purposes..
Seeing as the arresters do not contain any dangerous substances, they can be disposed of along with
household waste.
In as-supplied-by-Siemens state, the device incorporates no hazardous substances in the sense of the
pertinent regulations in Germany. If the device is to be operated outside Germany, the locally applica-
ble laws and regulations must be followed.
Local customer support offices will be able to answer any questions concerning disposal.
