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General safety instructions
The DPS left the factory in a technically save condition. To maintain this condition and to ensure
safe operation, it is essential for the user to observe the safety instructions and warning notes
which are contained in these user instructions.
The item is custructed according to protection class I. It is equipped with a VDE approved power
cord with protective conductor and may only be used to 230V AC supplies with safety earthing.
Please take care that the (yellow/green) protective wire isn‘t interrupted in the item or in the
power cord. A damaged protective wire can endanger life.
Power supplies and accessories don’t belong in the hands of children.
Make sure that only fuses of the given types and nominal current ratings are used as
replacements. To replace a defective fuse, disconnect the unit from the main power and from all
loads. Open the cover by using a screwdriver to remove all necessary screws. Remove the
defective fuse and replace it with the same type and nominal curren rating. Close the cover
properly. The use of repaired fuses or the bridging of fuse holders is not permitted. Only put the
DPS into operation again when the case is securely closed and screwed up.
While working with power supplies, the wearing of metal or other conducting jewelry such as
chains, bracelets, rings, etc. aren‘t recommended.
Power supplies aren’t intended for use with/on people or animals.
The cooling slots of the item mustn‘t be covered! The instrument is to be placed onto a hard, not-
inflammable base, so that the cooling air can enter unhindered.
Power supplies an their loads musn’t be operated without supervision.
Take measures for potecting the item and the contected loads against the effects and dangers of
the item itselfes (e.g. over voltage, complete failure) and the loads (e.g. unduly-high current
consumption).
Take care with voltages higher 35V DC. This voltages can already leeds to an electrican shock
and danger of life.
For power-on work, only tools expressly intended for this, should be used.
The power supply outputs and connecting leads, sockets and terminals must be protected from
being touched directly. Additionally, the leads used must be sufficiently insulated and voltage-
proofed and the contact points safe from being touched (safety sockets).
Use of bare metal leads and contacts should be avoided. All such points are to be covered by
suitable, nonflammable insulating material and therefore protected from being touched directly.
If it can be assumed that safe operation is no longer possible, then the unit must be switched off
and protected against unintentional operation. It can be assumed that safe operation is no longer
possible if
- the unit shows visibel signs of damage,
- the unit doesn’t work and
- after prolonged storage under unfavorable conditions or
- after hard trasportation stress
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