[RE-wrenches] 600V DC contactor

Chris Mason cometenergysystems at gmail.com
Sat Nov 23 09:49:39 EST 2019


https://www.amazon.com/Siemens-3TC48-17-0B-Pole-Contactor-600V/dp/B00WH0QNHA

I've done this with Sonnen previously, interrupted the inverter output to
precent power being sent back to the grid. You might look at to inverters
and interrupt one.

On Fri, Nov 22, 2019 at 11:47 PM Chris Sparadeo <sparadeo.chris at gmail.com>
wrote:

> Hi wrenchers,
>
>
> I am currently on the look out for a DC contactor to suit my needs. A
> little background:
>
>
> Per Sonnen Batterie tech support’s recommendation I have installed a 10 kW
> SolarEdge HD Wave inventer coupled with the Sonnen Eco 12. Although the
> Sonnen Eco 12 uses an Outback Radian 8kW multimode inverter(of which
> Outback suggests to max AC couple input of 5kW) Sonnen says that AC PV
> input greater than 8kW will require a contactor  to interrupt a string or
> two of the grid interactive inverter so that it’s output will remain less
> than the max 8kW input. That’s fine and well, but when asked directly,
> Sonnen didn’t have a part # for the contactor and suggested that anything
> over 150V DC would be difficult to find. Anyone know of a 600V rated
> contactor that would suit the bill? Essentially the contactor would need to
> sense grid interruption (via a 15A-AC breaker) and open a 600 V rated DC
> string.
>
>
> I’ve done some preliminary searching and have come up empty handed. Any
> input would be greatly appreciated.
>
>
> Best,
>
>
> Chris
> --
> Chris Sparadeo
>
>
> C_802-369-4458
> H_802-728-3059
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-- 
Chris Mason
Solar systems designer
Generac Generators Industrial technician

Comet Systems Ltd DBA Comet Solar
Anguilla Cell  264.235.5670
WhatsApp 264.235.5670
Skype: netconcepts
www.cometsolar.com <http://www.cometenergysystems.com/>
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