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Marmitek X10 Plug in Filter FM10U

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  • Prevents noise from power supplies or motors entering the electrical system.
  • Plugs into any 240V outlet.

Use this module in between 'noisy' electrical items and your wall socket to reduce the amount of signal noise that is fed into the powerline.

By using these modules you can improve the reliability of your X10 setup.
If you find that you are getting lights/appliances switching on and off at random then this is what you need.


The transmission of high frequency signals via the mains network (such as those used to carry X10) can be affected by active or passive interference. When used correctly, the plug-in filter will extensively suppress any interference from a poor quality power supply or motor.

Typical active interference sources are appliances that do not dispose of a regular interference suppression according to the norm. Normally, interference generated within the house network is without significance as the special dynamic filtering techniques of the X10 system ensure undisturbed performance. However, with a particularly bad device, just plug in the filter and the interference is isolated.

Technical Specifications

Dimensions: Length 13, Width 5, Height 4 cm

Supply voltage: 240V+10%-15% 50Hz
Maximum current: 16A
Impedance: 14dB
EMC emission: according to EN50081-1
EMC immunity: according to EN50082-1
Electrical safety: according to EN60950 and EN60065
Ambient temperatures: -10ºC to +40ºC(operation)
-20ºC to +70ºC(storage)

This product is CE approved for use in the EU.

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Product Reviews

  1. Very useful

    Posted by Edd Hillman on 5th Jan 2012

    Solved all my problems with pesky PSUs on TV and HTPC. Highly recommended If you're having trouble with switching problems.

  2. Marmitek X10 UK Plug-in Filter

    Posted by Shaun Derry on 16th Jun 2010

    If you are having problems with your X10 after you have purchased a new flat screen TV or PC this filter is a must have once the source is plugged into it you X10 starts working again.A large ammount of electronic products use a PWM power supply this injects noise into your mains electrical circuit which interfiers with the X10 units.

  3. Marmitek X10 UK Plug-in Filter

    Posted by Ian InDublin on 8th May 2009

    My X10 IR controller didn't work when my large 46 in' TV was turned on so I bought one of these to put on the it, It now works 80% of the time.
    As the postage was so high it was not worth my while returning it.

  4. Marmitek X10 UK Plug-in Filter

    Posted by Julian Paxon on 14th Jan 2009

    PS3 was the problem, this fixed it, nice, but a shame it's so big, would be nice if it was a bit smaller and neater.

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