A local ham resumed his ham activities after a multi-year hiatus which
included moving into a newly constructed house. All was fine with the
arc-fault/ground fault breakers with SSB or PSK31 HF operations on all
HF bands, with either a multi-band vertical or EFHW, including running
1KW. When he started using FT8, even at 25W the breakers started
tripping, but only when there was a load on the associated circuit. He
contacted the ARRL which put him in touch with a rep at Eaton, the
breaker manufacturer. The rep said that there was an issue with the
arc-fault detection circuit which has since been re-designed. Eaton
supplied new breakers at no charge and the local ham installed them. Now
FT8 operations, even at 750W do *NOT* cause any issues with the breakers.
The arc-fault detection circuit falsely sees the FT8 modulation as an
arc condition.
--
73,
-de John "Curly" NI0K in rural Debs, MN USA
Hamshack Hotline: 6100000271
https://www.qrz.com/db/NI0K
john wrote on 3/16/2023 2:40 PM:
We have had a terrible time with Siemens breakers. All of the Siemens
AFCI connected to my ham station were replaced with regular breakers.
We are still having problems with medical equipment breakers popping,
as well as washer/dryer. I have heard that Siemens has improved
breakers, but out Electrician will no longer return phone calls.
- 73, John, N0TA
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