[Amps] Harbach SB-220 Soft Start Relay Part # or replacement

[Aleksandar Petkovic]

I believe that the winding resistance takes care of it.

73, Alek VK6APK

On 6/10/2024 12:14 am, Mark Bitterlich wrote:
> I'm curious how soft start is built into the HV transformer of a 
> SB-220. Can you explain that please?
>
> De wa3jpy
>
> -------- Original message --------
> From: David Gow <6146guy at gmail.com>
> Date: 10/4/24 11:34 PM (GMT-05:00)
> To: Alek Petkovic <vk6apk at bigpond.com>
> Cc: amps at contesting.com
> Subject: Re: [Amps] Harbach SB-220 Soft Start Relay Part # or replacement
>
> Pull it all out, as has been well documented there is no need for a soft
> start mod for th SB-220, it is built into the transformer. You are only
> protecting the switch and an outlet strip will do that.
>
> On Fri, Oct 4, 2024 at 5:00 PM Alek Petkovic via Amps 
> <amps at contesting.com>
> wrote:
>
> > Well done.
> >
> > 73, Alek VK6APK.
> >
> > On 5/10/2024 4:38 am, Larry Carpenter wrote:
> > > I think I have narrowed my Harbach Soft Start module failure to a
> > defective 48 vdc spdt relay. This in turn caused the failure of the 
> ceramic
> > 10 watt 20 ohm resistors. Does anyone know who makes this relay or the
> > model number or a substitute that will fit on the Harbach board?
> > >
> >
> > Thanks,
> > >
> >
> > Larry Carpenter
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