[Elecraft] KX3 To SB1000 Amplifier

[Don Wilhelm]

Jim,

If the relay requires 100ma I would be hesitant to connect it to the KX3 
without additional information.
The reason is that the pull-in current can exceed the nominal current 
rating - so check the specs carefully.
I would trust it if the current meter check shows a current of 50ma or 
less, if it is as high as 100ma, I would not take the chance.  Remember 
that the digital current meter will not show the pull-in peak.

73,,
Don W3FPR


On 11/29/2016 4:05 PM, Jim Cox wrote:
> I believe the relay in the AL80 12volts at 100 ma.  I think it does draw
> a bit more than that, put your meter in line the keying relay jack and
> see what it draws.  I certainly would not want to key the older AL80
> with a KX3. Jim K4JAF
> -----Original Message----- From: David N. via Elecraft
> Sent: Tuesday, November 29, 2016 2:13 PM
> To: Elecraf
> Subject: [Elecraft] KX3 To SB1000 Amplifier
>
> Hello AllI just ordered a New KX3 (Kit)I am wanting to know if Keying My
> Heathkit SB1000 (Ameritron AL80A)  amplifier with key line off of the
> ACC2 will be a problemIt says that it is good for 30v @ 100ma. My
> Amplifier is 12v relay. Not sure current. I would think itwould be fine.
> But just wanted to check. I won't be able to order my KXPA100 till next
> year. Have to save the penny's for that one.Thanks