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b) Mains voltage/mains cable
• The lab mains unit corresponds to protection class II. It is only approved for connection to a protective
contact mains socket of the public mains. Ensure that the protective contact connection is not defective/
interrupted. It would pose fatal danger from electric shock in case of malfunction.
• The socket to which the mains cable for the lab mains unit is connected must be easily accessible.
If this is not possible, a device for separation from the mains on all poles must be provided (e.g. an
emergency off switch or fault current protection switch).
• Do not pull the mains plug from the mains socket by pulling the cable.
• If the lab mains unit or mains cable are damaged, do not touch them. There is danger of death from
electric shock!
First switch off the mains voltage for the mains socket to which the mains cable is connected (switch
off the corresponding circuit breaker or take out the fuse, then switch off the fault interrupter protection
switch (FI circuit breaker) so that the mains socket is separated from the mains voltage on all poles).
Only then unplug the mains unit from the mains socket.
Dispose of the damaged mains cable in an environmentally friendly way. Do not use it anymore.
Replace it with a new mains cable of the same specifications.
I f you find any damage to the lab mains unit, stop operating it and take it to a specialist workshop or
dispose of it in an environmentally friendly manner.
c) Location for installation
• The product must only be set up and operated in dry indoor rooms. The product must not become
damp or wet. There is danger of a fatal electric shock!
The lab mains unit also must not be exposed to extreme temperatures, direct sunlight, vibration or
mechanical stress.
• C hoose a solid, flat, clean and sufficiently large surface for the lab mains unit.
N ever place the lab mains unit on a flammable surface (e.g. carpet, tablecloth). Always use a suitable,
non-flammable, heatproof surface.
N ever cover the lab mains unit. Keep the lab mains unit away from flammable or easily inflammable
materials (e.g. curtains).
• Ensure that the mains cable and the cables to the connected consumer are not crushed or damaged by
sharp edges. Place all cables where no one can trip over them.
• D o not place any containers filled with liquid, e.g. vases or plants, on or next to the product. If these
liquids get into the lab mains unit, the lab mains unit will be destroyed and there is great danger of fire
or electric shock.
First switch off the mains voltage for the mains socket to which the lab mains unit is connected in
this case (switch off the corresponding circuit breaker or turn out the fuse, then switch off the fault
interrupter protection switch (FI circuit breaker) so that the mains socket is separated from the mains
voltage on all poles). Only then unplug the mains unit from the mains socket.
Do not use the lab mains unit anymore, but take it to a specialised workshop or dispose of it in an
environmentally friendly manner.
• Do not place the lab mains unit on any valuable furniture surfaces without using a suitable protection.
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