The Amphenol voltage rating for UHF connectors is 500 V peak. So the connectors could be another weak point.
https://www.amphenolrf.com/connectors/uhf.html wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Feb 24, 2018, at 11:07 AM, Bill Johnson <[email protected]> wrote: > > 1000v to me could be too low for a 500W amp. You can for the time being > leave the plug out, just disconnect when you are not using your equipment. I > use a remote disconnect to remove the antennas at my remote grounding panel. > > 73, > Bill > K9YEQ > > -----Original Message----- > From: [email protected] <[email protected]> On > Behalf Of Chris Hallinan > Sent: Saturday, February 24, 2018 10:51 AM > To: [email protected] > Cc: Wes Stewart <[email protected]>; <[email protected]> > <[email protected]> > Subject: Re: [Elecraft] KPA500 Faulting on high SWR on power rise > > Not sure. I pulled the plug out and Googled the numbers on it. The plug is > labeled CG2 1000, which I think means it is a 1000V breakdown voltage. > It appears to be a Littlefuse device, according to Allied Electronics which > has the leaded version of the part for $2 ;) > > Without knowing for sure, 1000V seems plenty for a 500W amp into > approximately 50 ohms load. Note I have the surge protector on the low SWR > side of the tuner which is mounted under an eve of the house. Probably not > ideal but that's another issue ;) > > Chris > > > > On Sat, Feb 24, 2018 at 11:06 AM, Don Wilhelm <[email protected]> > wrote: > >> Chris, >> >> What is the possibility that you have an HP suppressor body and a 200 >> watt Arc-Plug? >> >> 73, >> Don W3FPR >> >> >> On 2/24/2018 10:32 AM, Chris Hallinan wrote: >> >>> Hi Wes. Appreciate the feedback. I'm certainly not impressed by >>> having one marked HP that is clearly not. See my earlier post: the >>> surge protector was my problem all along. It's arcing at about 300W. >>> >>> > > > -- > Life is like Linux - it never stands still. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html Message > delivered to [email protected] > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
