[RE-wrenches] Square D DC disconnects

Kirpal Khalsa solarworks at gmail.com
Mon Jan 11 16:01:08 PST 2010


William.....we love the Outback FWPV12 and 8.......a good improvement
over the PSPV......we use them high voltage apps, but alas......don't
open fuse under load.....thats why we need a version which is
disconnectable......
Cheers,

-- 
Sunny Regards,
Kirpal Khalsa
NABCEP Certified Solar PV Installer
Renewable Energy Systems
www.oregonsolarworks.com
541-218-0201 m
541-592-3958 o


On Mon, Jan 11, 2010 at 12:16 PM, William Miller
<william at millersolar.com> wrote:
> Kirpa:
>
> Have you considered using the Outback PSPV combiner with the 600 VDC
> touch-safe fuse holders and appropriate fuses?  I belive this configuration
> meets the 600 VDC rating.
>
> William Miller
>
>
>
>
> At 12:08 PM 1/11/2010, you wrote:
>
> Thanks, Mr Brearley......i have looked into the Solar Bos disconncecting
> combiners and also the Blue Oak......both look very well designed and we
> look forward to using them when we have a project where it makes
> sense.....small and medium residential projects dont pencil out for us based
> on the price of these products....I encouraged both companies to come up
> with a smaller version which has a price more in line with the smaller sized
> systems......
> Luckily the latest inverters from most manufacturers take care of this need
> with their included/integrated but seperated fused DC disconnects.....
> However seems to me that in the nearer future we need to be moving towards
> having disconnects located as close as possible to the array......
> My dream combiner for all you manufacturers out there would be similar to
> the readywatt 3 or 4 circuit, fused,  rail mountable, combiner with
> disconnect integrated........
> I am still pondering how square D could have overlooked this important
> listing requirement......makes me wonder!?!?!?
>
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