Reply to "Lionel Fast Track Switches"

DAVID PEARSALL 010218 posted:
Moonman posted:

Hi David,

Your concerns are real, but unfounded. The switch operates on low voltage DC. The AC is converted internally. The voltage actually traveling to the switch controller is +5vDC and a -5vDC to light the colored LED indicator lamps via the yellow wire.

The switching motor power (a small DC motor) is controlled by the board. The board controller is switched by the red, green and black wires. The controller lever only changes which circuit on the board is activated by mechanically momentarily contacting the green/black and red/black.

Finally, there is only milliamps of current flowing, which would be what one would have concerns about when considering wire size.

Yes, there is 18vAC on the track at 10amp potential on the track. The internal switch boards are designed to handle that and convert it to only the small DC power that is needed.

They do not require anything close to the amperage required by coil motored turnouts(switches)

You can email forum members CJack, gunrunnerjohn or SantaFeFan if you want more detail. They are a few of the forum's electrical experts.

Moonman

  Thank you for your time and answer. I do have another question regarding the switches, I need to extend the wires from the switch to the controller about 15 feet, would I use the same gauge wires or go larger.

  Thanks, Dave

I believe that you received the info that needed. I saw those replies before I could respond.

The flat in the matching colors is easier to find than the old 4 wire phone cable. Most phone cable today is Cat5 cable, which works. It is just a little small in gauge and one has to be careful stripping it. It also doesn't tolerate a lot of bending. Something in a 20awg handles easier.

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