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

Posted by MaverickNH on Aug 30, 2017; 11:16am
URL: http://elecraft.85.s1.nabble.com/Wattage-Draw-K3S-100-vs-KPA500-KAT500-for-UPS-tp7633842.html

As mentioned in another thread, I'm running my shack on a UPS that is rated
1500va/900w. With my K3S/100 and other hardware plugged in on the same input
the UPS often max's out at 900W at < 100W on the K3S. Typically, the
baseline with K3S on RX is ~350W and it spikes over 900W with TX at 100W and
the UPS limits output. So it seems 100W isn't 100W.

I'm looking to switch in another UPS rated 2200VA/1320W, or 420W higher, for
use with the KPA500/KAT500 I just acquired from another forum member. so
from a 100W station to a 500W station. Might this work or is the increase in
watt TX not equal to the watt drawn?

BRET/N4SRN



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