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A good question and probably not a quick answer!

At first glance, it looks as though the Carrera power track section can take two separate power supplies. But it's twin socket inputs are actually intended to take two sets of leads from a SINGLE Carrera power supply. The Carrera PSU allegedly produces two independent outputs, one for each lane, but there remains some doubt about exactly how the Carrera PSU and corresponding track power section are actually wired up internally. I have read debate on this subject elsewhere but cannot recall what the definitive conclusions were.

I have no doubt that it IS possible to use more than one PSU, but it isn't set up that way by Carrera. Hopefully someone can step in and clarify this issue, because it is useful and interesting.
 

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Russell Sheldon
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2,855 Posts
Rather than adding a second transformer, you may want to consider investing in a good transformer with a high amperage output (at least 10 amps) to power both lanes. Also, because the Carrera pick-up rails are stainless steel, the connection between the track sections is critical.

But adding a second transformer is no problem. Here's a schematic diagram:-



(1) - (Negative) Power for Lane B from transformer
(2) Black (Track) {Black Wire lead from controller} - Lane B
(3) Red (Brake) {Red Wire lead from controller} - Lane B
(4) White (Power) {White Wire lead from controller} - Lane B
(5) + (Positive) Power for Lane B from transformer
(6) - (Negative) Power for Lane A from transformer
(7) Black (Track) {Black Wire lead from controller} - Lane A
(8) Red (Brake) {Red Wire lead from controller} - Lane A
(9) White (Power) {White Wire lead from controller} - Lane A
(10) + (Positive) Power for Lane A from Transformer or Power Supply

Professor Motor makes a useful wiring loom for a single transformer:-



Kind regards

Russell
 

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I did the exact same thing as Russell did...Zurich power supply regulated and variable 0 - 15V, 25 amp with a 30 amp surge. Also don't forget to include power taps ever 10 to 12 feet. it makes the difference ESPECIALLY on large tracks where the power dips 1/2 way around. Installing the taps every 10 to 12 feet ensures adequate power at all times.

Try it, you'll like and you will find the power supply that came with the track will make a great paper weight!

You can get power supplies on ebay for less than $100 USD or try here...

Power supplies from Home Racing World
 
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