[TenTec] Relay for Corsair, argosy

[Dr. Gerald N. Johnson]

On Tue, 2006-05-16 at 20:30 -0600, Tod Glenn wrote:
> Greetings all.
> 
> I'd like to be able to use the AF power switch on my Corsair and  
> Argosy with my Astron PS.  TenTec states that the AF switch is not  
> rated to use 12v at the required amperage.  They recommend using a  
> relay, Guardian series 200 or Potter Brumfield PR3DYO.  Neither seems  
> readily available.  Can anyone recommend a suitable replacement?
> 
> Thanks.
> 
Use the standard automotive cube relay. Its good for 30 amps and the
coil current is small enough for the switch contacts. When you wire it
in, put a diode in series with the coil to act as reverse polarity
protection and a diode across the coil to hold down the inductive kick.

I use a 16 amp ATC type fuse as PA protection. It won't blow until about
20 amps and so far I've blown a few and my Corsair II PA still works
fine.


-- 
73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer