[RE-wrenches] Rooftop disconnect for multi tracker TLs

[Dave Tedeyan]

Solar BOS makes some good disconnects.  4 pole disconnect: F2SK32-1-4XP.
Less Expensive than Midnite Solar, but you have to buy directly from Solar
BOS and the lead times can be longer.

Cheers,
Dave


*--*


*Dave Tedeyan*
*Project Engineer*

*Taitem Engineering, PC*
109 S. Albany Street, Ithaca, NY 14850
Voice: (607) 277-1118 x121
www.taitem.com

On Fri, Jan 22, 2016 at 12:44 PM, William Miller <william at millersolar.com>
wrote:

> 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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