My Jetstream JTPS31MB can switched between 120 and 240. I would expect that most modern power supplies will have this ability. What you will need is a receptacle adapter. Amazon has a bountiful selection.
Seven Three, Michael - K5WRN http://www.qrz.com/db/K5WRN On Sun, Feb 21, 2016 at 7:49 AM, Michael Monsour via BVARC <[email protected]> wrote: > This is an interesting question... > For 35 years I worked on equipment made in Australia and later France > For a transformer made for 60Hz operation and using it on 50Hz the output > will be approximately 80% > A 50Hz transformer will see a voltage increase of approximately 120% using > 60 Hz. Which is what I experienced on Australian built equipment. > On Astron *linear* power supplies the voltage spec does not say anything > about frequency. > > Before purchasing anything , one needs to see what the factory spec says. > M Monsour AC0TX > > On Sun, Feb 21, 2016 at 2:16 AM, Jon Noxon via BVARC <[email protected]> > wrote: > >> Elecraft now sells the PowerWerx switcher after recommending them to any >> who asked (I did when I ordered my K3), which has switched adjustment for >> 120/240 V input. Line Frequency is not relevant. This is an RF quiet PS and >> uses the IEC power cord which you would get locally (standard desktop >> computer power cable). The PS is available from the usual sources. Mine is >> the one with the meters, but they are not really needed. I've owned it for >> almost three years without a hint of trouble. >> >> An equivalent linear PS will be much larger and heavier. See >> http://www.powerwerx.com/power-supplies/powerwerx-30-amp-desktop-switching-power-supply-powerpoles.html >> >> Jon KF5TFJ >> >> On Sat, Feb 20, 2016 at 11:23 PM, Scott Mckee via BVARC <[email protected]> >> wrote: >> >>> Kevin, >>> >>> I lived in Germany 1989-91. I didn't find any problems using appropriate >>> voltage transformers. Many power supplies now have a wide input range so >>> you only need to get the correct plug for that area. The frequency >>> difference might cause a problem with some time based devices. Have a >>> great trip! >>> >>> Scott, nt5sm >>> >>> >>> On Feb 20, 2016, at 22:31, Kevin Thornsberry via BVARC <[email protected]> >>> wrote: >>> >>> I would like to find a power supply for overseas use (Angola). Voltage >>> there is 220v 50 Hz. I will have a step down transformer which will drop >>> the line voltage to 110v but I believe it will still be at 50 Hz. Will >>> this be an issue for most power supplies built for use in the US (110v 60 >>> Hz)? >>> >>> >>> >>> Thanks. >>> >>> >>> >>> -- >>> >>> Kevin Thornsberry (W5KLT) >>> >>> (832) 370-6996 >>> >>> >>> >>> _______________________________________________ >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> >>> >>> _______________________________________________ >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> >>> >> >> _______________________________________________ >> BVARC mailing list >> [email protected] >> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >> >> > > _______________________________________________ > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > >
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