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My layout and accessories are all Post War, tinplate.  I am looking for suggestions for replacements for Accessory Switches/Controllers for two reasons:  Cost of some of the original controllers and desire to childproof (and adult-proof i.e. me) the controllers.  I have read other threads about problems with some of the controllers if they are not used properly e.g. holding both buttons down on a UCS controller.

Could someone please confirm my description of the various controllers and then provide any suggestions of good replacements:

  1. 364C - ON/OFF switch?  - Push button type (doorbell style) switch OR non-latching toggle switch (Is there such a thing?)
  2. 90A  - ON/OFF switch?  - Push button type (doorbell style) switch OR non-latching toggle switch (Is there such a thing?)
  3. UCS - ON/OFF switch on each side?  DPDT momentary ON in each direction toggle switch for Unload and Uncouple?
  4. 456C - ON/OFF switches all three? - Push button type (doorbell style) switch for Release Bumper? and DPDT momentary ON in each direction toggle switch for Unload and Uncouple?
  5. 497  - ON/OFF switches all four directions?  DPDT momentary ON in each direction toggle switch for up and down? and DPDT momentary ON in each direction toggle switch for Dump and Load?
  6. 97 - ON/OFF switch on chain drive side? and ON/OFF switch on Unload side? Could use two Push button type (doorbell style) switches OR one DPDT momentary ON in each direction toggle switch for chain drive and Unload?
  7. 164 - ON/OFF switch on chain drive side? and ON/OFF switch on Unload side?  Could use two Push button type (doorbell style) switches OR one DPDT momentary ON in each direction toggle switch for chain drive and Unload?

I am thinking about using these 3 position DPDT Momentary Toggle Switches 120V/5A  https://www.amazon.com/gp/prod...00?ie=UTF8&psc=1

AND SPST Normal Open Momentary Pushbutton Switch https://www.amazon.com/gp/prod...p;smid=ATVPDKIKX0DER

Please confirm that I have identified the correct function of each switch/controller?  Do you have suggestions for better replacements for each?

Thanks for your help.

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cjack posted:

Looks like the DPDT are momentary in one direction and stay thrown in the other. That's common. I would check first depending on what you want.

cjack, Thanks for the reply.  I checked the DPDT toggle switches and they are momentary in both directions.  My concern now is that they may be too small for little fingers to operate.

S Texas, you are "on the right track". In my large Run Room most of my accessories and tracks have replacement controls for the reasons you mention.  See Run Room Trackside Industries Tour    My controllers have held up very well under extended use by "kids" of all ages.
Amp ratings on switches will determine durability.
Track controllers should be 10A minimum motor rated for main tracks.
AC motor accessories need a 3-5A rating.
AllElectronics.com is an easy site for switch shopping.

RCS controller and Log Ramp on/offwmadvrcsplateup

Some of my wires are larger than needed because I used surplus wire for color coding.

Track ToggleswmTogTrkComConv

Toy Train Layout Wiring - Switcheswmadboxs

Power switch for track activated accessory (This accessory clicks when activated if not reset.)

MdnBldgwBx

See Operating Cars and Accessories page for more custom controls.

 

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If childproofing is an objective, read Susan's write-up on PTC resettable fuses.  You have to select the Amp value of the PTC to match the application.  They are inexpensive...for example, less than 15 cents free shipping from Asia:

ptc resettable fuse

Once you settle on how to drive your LEDs with AC from your other thread, you can place an LED across a PTC so that it turns on when the PTC "trips".  This could serve as an overload or out-of-service indicator.  While the PTC is cooling down (before it self-resets) additional attempts to activate the accessory will light up the overload LED.

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For signals and accessories I prefer the MTH and Lionel Track activation devices. I use both. The Lionel looks more realistic but the MTH can be found for less money.  I don't know how many amps they can control but certainly enough for block signals and crossing signals w sound.  Doubt if they could control a power hungry P/W solenoid operated device. Z products also makes an IR sensor but its only good for LED lighted devices as it is rated for only 25 ma. or 1/40 th amp.

Last edited by Dennis LaGrua

I’m interested in this, because I’m just starting to sort through the miscellany of accessory tracks I’ve acquired.

I have a fairly limited understanding of the electronics side, and have settled on analogue controls (KW controller/transformer). 

I’d like to use bell-push type switches to operate uncoupling tracks and accessories (I have a tipping coal car, for one thing). I have a KW controller, so I have a separate power supply for accessories. 

I’d like to use resettable breakers for these accessories. 

I’m sure there is a well-known, stock answer and generic wiring diagram for this? 

 

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