Yes modern ceramic arrestors are rated for KA! I expect my glass ones are similar. But they are far nicer to look at than modern ones. We need more components encapsulated in glass, modern ceramic are so boring.
I tested mine this eening, it has gone back to striking at the same voltage as it did before I gave it a hard time! Tom Harris <[email protected]> On 24 September 2014 17:51, Tidak Ada <[email protected]> wrote: > Such arrestors actually have to withstand kA's for a short discharge! > Look at your overvoltage protector you use (hopefully) for your computer > and peripherals. I have here a Belkin contact block that is guaranteed for > 40,000 A. > Belkin says to compensate all equipment connected to it that will be > damaged in case of a surge voltage for life time (of the protector). > I once hat such a case and got a new contact block without troubles. There > was no damage to the protected equipment, only the surge protector died in > service. > More modern surge arrestors have a ceramic housing, so they aren't > spectacular. > > eric > > ------------------------------ > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Tom Harris > *Sent:* woensdag 24 september 2014 2:21 > *To:* [email protected] > *Subject:* Re: [neonixie-l] Telecom lightning arrestor > > More on the arrestor, I tried it this morning and it has got better > overnight, it just strikes at 290V, before it was not striking reliably at > 300V. It must have been tuckered out. It looks like it is recovering slowly. > > > > Tom Harris <[email protected]> > > On 24 September 2014 08:25, Tom Harris <[email protected]> wrote: > >> Well I half-destroyed one with an overcurrent by connecting it to 300V AC >> with a 150W lamp as a current limiter. It gave a bright red neon discharge >> on both electrodes and a lovely pale blue space discharge for about 10 >> secs. Now it needs about 350V to fire with a 10K series resistor. I shall >> test another one with a more moderate current and see how it lasts. >> >> >> Tom Harris <[email protected]> >> >> On 24 September 2014 08:19, gregebert <[email protected]> wrote: >> >>> I'm curious how long these devices would last if they were operating >>> continuously at a low current (just enough to get a visible discharge). >>> >>> Despite being 'old technology', gas-filled arrestors are advantageous >>> because they have low capacitance and very low off-state leakage. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/neonixie-l/5bf27fca-0d40-4c1d-af90-72ea15e8735b%40googlegroups.com >>> <https://groups.google.com/d/msgid/neonixie-l/5bf27fca-0d40-4c1d-af90-72ea15e8735b%40googlegroups.com?utm_medium=email&utm_source=footer>. >>> >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/CAHjG12TLw%2BJpxMhsUb1VB1Pwx3mNLxVyB96EcobjA%2BGBoRHABw%40mail.gmail.com > <https://groups.google.com/d/msgid/neonixie-l/CAHjG12TLw%2BJpxMhsUb1VB1Pwx3mNLxVyB96EcobjA%2BGBoRHABw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/!%26!AAAAAAAAAAAYAAAAAAAAAPDddShx705MuX20yCpp0vvCgAAAEAAAABQ6tN0SkyNBpI5cm5ZrsVEBAAAAAA%3D%3D%40zeelandnet.nl > <https://groups.google.com/d/msgid/neonixie-l/!%26!AAAAAAAAAAAYAAAAAAAAAPDddShx705MuX20yCpp0vvCgAAAEAAAABQ6tN0SkyNBpI5cm5ZrsVEBAAAAAA%3D%3D%40zeelandnet.nl?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAHjG12Q3ROMSPFwy6eSn7ETqjhK%3D%3DP3SRT7znZ9%2Bckrze66C-Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
