Instructions

tams elektronik
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English RedBox
4.6.1. Connecting voltage supply and rails
There are plug-in type terminals for connecting voltage supply and rails on the rear sides of the
versions "Booster" and "Booster-R". Insert the connecting cables into the plug-in parts (included
in delivery), tighten the screws and insert them into the socket parts on the rear side of your
RedBox.
 Voltage supply (transformer or power supply unit): 3 pole, connection "16-18 V"
 Rails: 2 pole, connection "rails"
Attention:
Do not interchange the connections for voltage supply and rails. In this case, your RedBox
probably will be damaged when put into operation!
Recommended cable cross sections
 Voltage supply: minimum 0.75 mm²
 Rail connection: minimum 1.5 mm²
Voltage supply for the integrated booster
For the integrated booster a separate voltage supply is required:
 a.c. transformer with an output voltage of
12 - 15 V (with 15 V track voltage) or
16 - 18 V (with 19 V track voltage)
 power supply unit with a set voltage of
17 - 18 V (with 15 V track voltage) oder
21 - 22 V (with 19 V track voltage)
Attention:
The output voltage of transformer or power supply unit should not exceed the specified values
as the booster has to dissipate the surplus voltage as heat. The integrated booster possibly
overheats. Risk of fire!
Connection to the rails
You should connect the two rail connections of the integrated booster to the two rails (with 2 rail
systems) or one rail and the middle conductor (with 3 rail systems). The booster current should be
fed into the rails every 2 to 3 m, as the resistances at the track pieces´ transistions are quite high.
In case the distances are too long, problems with reporting short circuits or the vehicles´power
supply possibly occur.
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