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The electronic gurus around here seem to like Digi-key and Mouser for most parts and these are pretty good suppliers for parts.  I've also had good luck with Jameco and All Electronics.  

 

http://www.digikey.com/

http://www.mouser.com/

http://www.jameco.com/

http://www.allelectronics.com/

 

If you know what you are looking for and have the time to wait for shipping you can usually find better deals on product shipped from china on the big auction site.  

 

Lastly, my go to source for general purpose relays is your local junk yard.  Talk to someone and find out when they are scheduled to crush some cars then ask if you can pull the relays before they are crushed.  You can often buy a bucket full for the scrap value.  These will be 12v coil and usually 5 to 10 amp contacts, though are normally only of the SPDT type.  Being used, they may have some issues, but when you have a bucket full you can afford to have some bad ones.  

 

As for what you actually need, it depends what you are trying to do.  Give some details and folks around here should be able to help you out.  

Originally Posted by jerome:

 please advise a good source to purchase relays and other switches for my postwar layout I will be starting. Would you please give me some information regarding to the types and sizes of relays switches, rectifiers et si I should purchase. much thanks as usual Jerry.

Here is my relay board that is used to control turnouts and blocks.  The relays are heavy duty automotive types that come with plug in sockets. The wiring is color coded.

 

 RELAY BOARD

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  • RELAY BOARD

Need a little more detail n what you are trying to do,then maybe we can point you in the right direction. Before laying track,you may want to divide it into segments with insulated rails. For layouts with more than a few relays,I recommend 24VDC relays,not the more commonly recommended 12 volt ones. Feel free to email me privately if you have questions or need help.

 

Dale H 

Last edited by Dale H

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