Re: Re: C-Bus Dimmer Loading ???

[Kevin Hawkins <yahoogroupskh@xxxxxxxxxxxxxx>]

Hi Tim,

I was fortunate in that I got hold of some of the C-Bus Pro dimmer
series from eBay - at good prices - The ones I use offer 4 channels @ 5A
per channel .  They are wall fixing which suited where I needed to mount
them too.   So I can't vouch for any use on the 4CH 2A DIN rail versions
.  I have generally used only one light per channel and they are 300W or
500W bulbs.  However I run them on a  ramp on to 75% over  4 secs and a
ramp off of 30 secs so the inrush current may be reduced compared to a
sudden full on, or maybe increased/ have a longer duration... not sure.
Been running a  couple of years though now with no problems..

I'm not sure I would risk trying to use lower rated channels ie the 2A
4CH DIN modules even though they appear within spec for 300W bulbs.  I
suspect the 'Pro' series dimmers may be designed differently with better
protection  - physically they are very different - I had originally
intended to use relays until I got these.

Kevin



Tim Hawes wrote:
>
> That's interesting Kevin :-)
> I had previously asked the list whether floods on LD11s would be ok
> but the idea generally got the thumbs-down... (high in-rush current
> concerns, mostly)
>
> What rating are your dimmer channels and what size (watts) are your
> floods?
>
> Thanks,
>
> Tim.
>
> On 3/17/08, Kevin Hawkins <yahoogroupskh@xxxxxxx
> <mailto:yahoogroupskh%40googlemail.com>>
wrote:
> >
> > I have however kept my approach outside floods on dimmers as it's
kinda
> > nice they fade up as you approach and they also dim slowly as
they go
> > off. I've had a lot of commenst about these from neighbours and
> > visitors - like can I get those from B&Q !
> >
> > K
>
>


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