Re: Wattage Draw - K3S/100 vs KPA500/KAT500 - for UPS

Posted by KQ5S-Tom on Aug 30, 2017; 12:38pm
URL: http://elecraft.85.s1.nabble.com/Wattage-Draw-K3S-100-vs-KPA500-KAT500-for-UPS-tp7633842p7633849.html

Understood but I believe he is talking about running everything in the shack off the UPS so if he buys a 2500-3000 UPS he will need a dedicated circuit unless he already has one.  No telling what else is on the circuit in the shack if it is not dedicated.

Not sure what the intent is of running the amp off of a UPS.  You will not get much operating time, matter of minutes, so maybe it is for surge protection.
———
Tom

> On Aug 30, 2017, at 7:28 AM, Don Wilhelm <[hidden email]> wrote:
>
> Tom,
>
> That 3000 watts I mentioned is for everything in the station.
> The KPA500 alone needs 120 volts at about 13 amps, maybe peaking to something greater.
>
> 73,
> Don W3FPR
>
> On 8/30/2017 8:16 AM, KQ5S-Tom wrote:
>> 3000W at 120V is 25 amps.  He had better have a dedicate circuit.  I believe if I had to run a dedicated circuit I would run a 220 circuit for the amp and put everything else on the UPS.
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