[Elecraft] KPA1500 power supply (remote)

[Dick Dievendorff]

The KPA1500 power supply container houses several power supplies. Only a small one is on all the time. It can run a microcontroller and switch the larger supplies, but not much else.

The 50V and 12v supplies are switched completely off when the amp is “off”. The fans are associated with the 50v supply.

It’s like a TV set that can be operated by a remote control. Or a wall power switch that can be turned on by a microcontroller.  

73 de Dick, K6KR

> On Aug 14, 2022, at 08:17, Rick Tavan <rick at tavan.com> wrote:
> 
> I leave my KPA1500 PS on continuously, whether I'm local or remote. No
> observed ill effects. When the amp is off, the PS is silent. I haven't
> measured its current drain in that condition but I expect it is minimal. I
> have a remote relay box that I could use to key a larger relay in the 230V
> AC supply line but I don't see any need to do that.
> 
> 73,
> 
> /Rick N6XI
> 
>> On Sun, Aug 14, 2022 at 6:30 AM Jorge Diez - CX6VM <cx6vm.jorge at gmail.com>
>> wrote:
>> 
>> Hello!
>> 
>> when you use the KPA1500 remotely, the power is always on. With which it
>> could spend several years on continuously. Could this be harmful to
>> the power supply?
>> 
>> Is it thought and designed to withstand this?
>> 
>> Is there a way to turn the power on and off remotely?
>> 
>> thanks!
>> 
>> --
>> 73,
>> Jorge
>> CX6VM/CW5W
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> 
> 
> -- 
> --
> 
> Rick Tavan
> Truckee and Saratoga, CA
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