Re: Re: DIN Rail connections

["Paul Gordon" <paul_gordon@xxxxxxx>]

2 things...

You can buy "naked" DIN rail in metre strips very cheaply, I got
some strips
at Maplins a few weeks ago, for (IIRC) 49p per strip. You can see an
example
of this here, where I have cut a small pice to length  to screw to a
backboard which is hidden away in the loft...

http://paulgordon.homeip.net/bathroom/100-0058_IMG.JPG

secondly, this consumer unit...

http://paulgordon.homeip.net/kitchen/102-0300_IMG.JPG

is pretty cheap, - only £19 from Screwfix Direct, and will take up to about
a half dozen modules happily enough....

Food for thought....

Paul G.



>From: "rb_ziggy" <richard.boreham@xxxxxxx>
>Reply-To: ukha_d@xxxxxxx
>To: ukha_d@xxxxxxx
>Subject: [ukha_d] Re: DIN Rail connections
>Date: Fri, 20 Jun 2003 15:05:01 -0000
>
>--- In ukha_d@xxxxxxx, "Mark Taylor" <mhctaylor@y...>
wrote:
> > What I dont really understand is how the DIN Rail and consumer
> > unit relate. Can someone shed some light please, is it a case of
Din
> > Rails plugging straight into consumer units or do I go for one of
>these
> > din rail units specially sold to take LD11s and AD10s etc. If so
how
> > does that connect back.......
>
>Mark
>
>The DIN rail is essentially just a standard for a metal fixing rail
>upon which compatible units can be clipped.  I believe that apart
>from providing the mounting surface, the rail doesn't do anything
>electrically speaking. Consumer units in the uk use the DIN rail
>system and you then clip in the RCD/MCB onto this and wire them up
>from connector blocks that are also in the box.  They also tend to
>have nice facia plates to hide the wiring from fingers etc.
>
>You could use consumer units but when I looked at it they worked out
>expensive because you could only fit a few LD11's in each and ended
>with a lot of wasted space.  Instead, my electrician sourced some,
>DIN compatible, grey plastic boxes (450x300x130 deep) and then he
>mounted 3 strips of din rails in them and managed to fit in 12 LD11's
>in each (can do more AD11s as they are smaller).  This is with plenty
>of separation between them (15mm at the side minimum and 60mm plus
>vertically) and enough roon to work with all the wiring inside.  We
>have 2 of these sitting in a small coat cupboard in the hallway).  My
>problem was partly space and I think we worked out that we would have
>needed 6 or 8 consumer unit boxes.
>
>I vaguely remember the boxes worked out around £35 each with bits.
>
>Never had any problems with interference etc as a result of this
>setup.
>
>Wiring back to the consumer unit is via a regular (appropriate) cable
>to the RCD/MCB fusing unit.  One feed from the consumer unit feeds
>several X10 units (i.e. you don't need one cable for each - expensive
>in installation and CU fusing terms). I guess you just have to ensure
>you do not exceed the allowable amperage on each feeder line.
>
>Hope this helps
>
>Richard
>
>
>
>
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