Hello Dave,
The Tyco/Potter & Brumfield, RTB14012F, PCB relays work well for cold
switching of HF RF. Number are used here and handle 1500 W RTTY
without a problem. They're rated at 12 A, 240VAC.
At 12:50 AM 12/16/2007, David Gilbert wrote:
>It depends upon what your requirements are. If you don't care about
>isolation between selections and are switching at a point that always
>has low voltage (maybe at the base of a vertical or something), almost
>anything will work. I've used inexpensive high current automotive relays
>from places like Auto Zone for that sort of thing and they work fine.
>Most aren't really sealed, but they keep the dust out.
>
>On the other hand, if you want a relay rated for high voltage and good
>isolation, they don't come cheap from anyone. The ones that go into the
>better remote switches fall into that category.
>
>73,
>Dave AB7E
>
>
>
>Dr. James C. Garland wrote:
> > Does anybody know what kind of open frame relays Array Solutions (or other
> > companies that make remote RF switches) are using? I'd like to find a
> > relatively inexpensive open frame relay that can handle at least
> 1.5kW (cold
> > switched only). For long-term reliabilty, something rated at 3KW would be
> > better.
> > Tnx and 73,
> > Jim W8ZR
> >
> >
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73,
Mike, K4GMH
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