Try either a RF52-26S or a RF5A-26S. They are 26v units….not 12v. They might
have 12v variants. I use these to do all my 160m detuning and band switching
with no problems. 15Kv, 15 amps or 7.5KV and 10amps. RF rated. Data sheets
specify RF ratings vs frequency.
Go here: http://www.mgs4u.com/RF-Microwave/vacuum-relays-SPST.htm
<http://www.mgs4u.com/RF-Microwave/vacuum-relays-SPST.htm>
de steve ve6wz.
On Nov 12, 2017, at 5:20 PM, MR TREVOR DUNNE <ei2glb@eircom.net> wrote:
>
>
> Hi All
>
> So after I got my vertical all tuned in I have been having a blast on TB over
> the last week or two,
>
> Thanks to everyone who helped me with that by the way, there was too many of
> you to reply to everyone but I can't thank you all enough,
>
> Anyway on to the next problem,
>
> I built a small relay box to disconnect the vertical from the coax to reduce
> re-radiated noise on my RX antenna,
>
> This evening I was checking and TB seemed very quite and it seems that the
> relay has burnt out, ( iwent out at 11pm to short it to work the 9U for a new
> one)
>
> it's a 12v 30amp automotive relay one you would use for spot lights or an air
> horn ect,
>
> I'm guessing this isn't up to the job, I have the relay in line between the
> end of the vertical and the top of the coil as that where I was told to place
> it,
>
> Can anyone recommend a better relay for the job, ideally it would be 12v coil
> as thats what I have going out to the box,
>
> I was looking at some split charge relays rated at 200 amps would that be a
> better job or failing that Array solutions have some relays that might work
> but by the time I'd get them over here would be expensive,
>
> https://www.arraysolutions.com/rf-10
>
> Thanks
> Trevor
> EI2GLB
>
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