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jack schaefer

Bridgeworks and tiu

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I am looking at the bridgeworks 10 or 15 amp power supply.  I read the tiu is rated at 10 amps. if that is the case would the 15 amp fry the TIU? I run 300 ft single track with meh gg1, v1000, f3 and two lighted passenger cars > any suggestion would be appreiated

 

 

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Hi Jack,

 

Each channel maxes out I think at about 12amps but I would say 10amps @ 24v (So figure 240watts).  Do note the amp rating on the bridgewerks power supplies are @20v so 20v x 10amp(for example) = 200watts.

 

Yes as Jim said, just run your TIU in passive mode and bypass the amperage restriction, that's what I do on my layout.  It also ensures your TIU is immune to shorts if one does occur.  

 

Direct link to the Normal vs Passive mode section on my DCS Tips page:  http://www.rayman4449.com/DCS_Tips.htm#Use_of_TIU_to_provide_signal_to_track:__Normal_vs_Passive_mode

 

If I was in your case I would consider what is the maximum amount of trains/amps you may likely need and maybe the next largest power supply if you can afford so you have the necessary headroom for future growth.  

 

Hope that helps.

 

Raymond

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Not to counter Ray's advice, because he's who I listen too....but....you could also....

I have a single MAG 25 amp Bridgewerks hooked up to my TIU right now. I put 10 amp inline fuses right after and it jumpers to channels 1 and 2 with those fuses on each input. That way I still can use the kill switch on the remote. I never go above about four or five amps with three or four engines running on a track in a consist anyways. When you turn up the volts, the engines don't draw as many amps. Not more than 24 at the track!

 When I get a bigger outdoor layout, I'll probably go passive. I bought the key chain kill switches on Ray's site already for then.

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