[Elecraft] Re: RS 50 supply

Joseph Trombino Jr w2kj at bellsouth.net
Fri Aug 19 11:49:22 EDT 2005


----- Original Message ----- 
From: <john.brewer at us.schneider-electric.com>
To: <elecraft at mailman.qth.net>
Sent: Friday, August 19, 2005 8:20 AM
Subject: [Elecraft] Re: RS 50 supply


> David
>
> The RS50M seems like a nice supply. I'm planning on purchasing one as 
> well. I've been using
> several linear supplies used for Drake TR7s as a stiff station 12V supply. 
> They too work well,

---------------------------snip--------------------------

Howdy John:

If you purchase an Astron RS50M make sure it has a varistor in the power 
transformer primary winding.

Upon power up my RM50 power supply kept tripping my circuit breaker....I 
called Astron and they said I needed a Varistor in the transformer 
primary....that supposedly  would stop the supply from tripping the breaker.

I ordered the varistor and installed it and have had no problems whatsoever 
since.

I highly recommend this mod if your supply doesn't have it already 
installed.

                                        73, Joe W2KJ
                                         I QRP, therefore, I am 




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