[RE-wrenches] Rooftop disconnect for multi tracker TLs

[William Miller]

August:

Have you tried Sun Volt?  We installed one of their switches and it worked out Ok. This will add 250 to 550 dollars to your job, of course. 

William

> On Jan 22, 2016, at 8:00 AM, August Goers <august at luminalt.com> wrote:
> 
> Wrenches,
>  
> We have a few jurisdictions in the Bay Area that still require rooftop DC disconnects. We are installing a lot of SMA TL-22 inverters with dual MPPTs and if the system has more than 1 string it has been hard to source a good disconnect option (need 4 poles for switching two ungrounded strings). Does anyone have a good DC disconnect idea for this application?
>  
> Best,
>  
> August
> Luminalt
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