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RE: Re: LD module mounting


  • To: ukha_d <ukha_d@xxxxxxx>
  • Subject: RE: Re: LD module mounting
  • From: Keith Doxey <ukha@xxxxxxx>
  • Date: Tue, 7 Aug 2001 16:14:54 +0100
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

Blanks can also be half width for when you fit a 3 module width unit in a 4
module case.

you could put a half blank between each module so it gets ventilation all
round.

Best way of ensuring longevity on modules is to run below the maximum
rating
and keep them cool.

Keith

-----Original Message-----
From: James Hoye [mailto:james.hoye@xxxxxxx]
Sent: 07 August 2001 13:54
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Re: LD module mounting


> All the consumer units are a certain size quoted in the number of
MCB's
> acommodated. - I.E.  there is a 12-way which will acommodate up
> to 10 MCB's
> (I presume 2 ways are always taken up by the master switch then?)
>
> Now, are these MCB's a standard size? and if so, how does that
> relate to the
> size of an X10 DIN module?

I think the 'DIN' refers to the mounting rail.  A way is as wide as an MCB,
so an X10 module probably occupies 2 ways as it is twice as wide.

> >From what I can see, it looks rather like a common MCB is half
> the width of
> a DIN module, so on that basis, I would guess I need at least an
"8-way"
> unit in order to house 4 DIN modules?...

Indeed.

> But what about the (allegedly) required gap between the modules?
> - how much
> should be left?
>
> Should I order a 12-way consumer unit, which by my guestimate should
> acommodate 4 DIN modules (8 "ways" taken), with 2
"ways" left
> which equates
> to (more or less) 1/2 a "way" of space between them...

Should be sufficient, but _if_ I were allowed to^H^H^H^H^H^H^H^H^H^Hdoing
this I would fit 2 X10 modules side by side (4 ways) with a blanking plate
(1 way) between the 2 groups of 2 and between one of the groups and the
isolating switch.  Sort of:
DDDD-DDDD-SS where SS is the isolator, DD is an X10 DIN module occupying 2
ways and - is a blank.  Of course, someone who actually has experience of
these things (something I can only aspire to) may offer advice based on
their actual experience and not my suposition.

> Am I making sense?

All sounds good to me - _I_ think you're making sense.

James H




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