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> 24VAC Power Supply

Discussion in 'Hobby Electronics' started by GC, Jun 30, 2005.

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  1. GC

    GC Guest

    I'm after a power supply that is slightly greater than 24VAC.... say about
    28VAC.

    Its to power a PTZ camera. The cable between the power supply and the
    camera is about 30-50 metres long.... Would have been run about 3-5 years
    ago......
    The camera has been working fine until a couple of months ago......
    I meaured the voltage at the camera, it is only 19VAC. Back at the power
    supply its 24VAC straight out.
    So I dunno how its been operating until now, maybe there are extra losses in
    the cable for some reason? Noise?

    I've had this problem before, we ended up running a thicker figure 8 cable
    and that boosted the voltage up to about 23 volts at the camera which was
    enough to make it run.....
    With this current camera though, the cable run is a lot harder through a
    false ceiling but would require a sissor lift etc as its a really high
    ceiling...
    I'd like to move the power supply closer to the camera... that would fix the
    problem, but there's no GPO's nearby and could be expensive to get one
    installed......
    So what I am trying to look for is a power supply that pumps out more than
    24 volts to allow for the loss in the cable run....
    Anyone know where I can get one???

    Thanks
    Glen
     
  2. Caliban

    Caliban Guest

    What sort of power is required (camera current consumption @ 24V DC)?
     
  3. ZForce

    ZForce Guest

    You should be able to find something to suit your application here.
    They are based in Perth

    http://www.computronics.com.au/meanwell/
     
  4. Franc Zabkar

    Franc Zabkar Guest

    If all else fails, try adding a 6VAC adapter in series.


    - Franc Zabkar
     
  5. GC

    GC Guest

    I need about 2-3Amp.... Safer to get 3Amp 24V AC
     
  6. Ken Taylor

    Ken Taylor Guest

    Take a look at Powerbox:
    http://www.powerbox.com.au/

    Cheers.

    Ken
     
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