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@gmail.com> Date:
10/4/24 11:34 PM (GMT-05:00) To: Alek Petkovic <vk6apk@bigpond.com> Cc:
amps@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 softstart mod for th SB-220, it is built into the transformer. You are
onlyprotecting the switch and an outlet strip will do that.On Fri, Oct 4, 2024
at 5:00 PM Alek Petkovic via Amps <amps@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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