[Elecraft] Power Werx S5-30DV Switching P/S "Heads Up"

[Gary VK4FD]

YEP....I was one of the very first t order the 'International' version when first released. When I called they did not have stock but expected their first shipment in the coming week so I odered two (2) of them.

Both units are in daily use and have never let me down...oh no, I should not have siad that huh?

I have also not noticed any birdies or RF hash with either unit and for me the small footprint has been a proven winner.

73

Gary


VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!

  ----- Original Message ----- 
  From: Ken K3IU 
  To: W0UCE 
  Cc: elecraft at mailman.qth.net 
  Sent: Tuesday, September 13, 2011 7:59 PM
  Subject: Re: [Elecraft] Power Werx S5-30DV Switching P/S "Heads Up"


  I recently purchased the SS-30DV switcher. There are 2 
  stickers on the outside of the box that say it is an 
  International Model and you need to change it to 115V AC 
  input by sliding the selector on the back.The manual (one 
  sheet) clearly states in the first sentence of a paragraph 
  titled "Input Voltage Selection"  that "The power supply is 
  set up for 230V AC input as shipped from the factory." It 
  continues with a description about how to change it to 115V 
  AC. I can't find it now, but I'm sure there was also a 
  separate insert on bright paper warning that it was set for 
  230V AC.

  73, Ken K3IU
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  On 9/12/2011 9:21 PM, W0UCE wrote:
  > I recently acquired two Power Werx S5-30DV Switching Power Supplies.
  >
  >
  >
  > While the P/S are nice and small, work on 110 / 220 and easily powered my
  > K-3 and TS-480,  BEWARE...  The P/S come from the factory set for 220V
  > (Slide Switch Selection on the back)  The documentation sheet with the P/S
  > doesn't mention the factory default setting of 220.
  >
  >
  >
  > If you power a K-3 or most likely any other rig without changing the input
  > voltage setting to 110 if you run the P/S on 110 and don't change the input
  > voltage switch to 110,  you will have terrible AC on transmit when the RF
  > level of the radio is increased over 10 Watts.
  >
  >
  >
  > 73,
  >
  > Jack W0UCE
  >
  >
  >
  >
  >
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