[RE-wrenches] Generator interface relay

drake.chamberlin at redwoodalliance.org drake.chamberlin at redwoodalliance.org
Tue Jul 8 06:25:59 PDT 2025



A 240 V coil, block relay works for this. Connect the coil wires to the 
output L1 and L2 of the generator. Run the AC input between the common 
and the N/C terminal. When the generator starts, the relay opens and the 
power is off.

_Drake Chamberlin_

_Athens Electric LLC_

_Ohio Electrical Contractor's License 44810_

_NABCEP Certified PV Installation Professional_

---

On 2025-07-07 21:49, Jeremy Rodriguez via RE-wrenches wrote:

> The GT inverter does not have this function.  I just need a relay to 
> drop L1 or L2 to the inverter when the generator starts.
> 
> Jeremy Rodriguez
> Solar Installation / Design
> 
> All Solar, Inc.
> 1453 M St.
> Penrose Colorado 81240
> 
> Sent by Jeremy's iPhone. Sorry for typos and shorthand.
> 
>> On Jul 7, 2025, at 3:25 PM, Darryl Thayer via RE-wrenches 
>> <re-wrenches at lists.re-wrenches.org> wrote:
> 
> I am confused does you GT have a drop grid function?
> 
> On Mon, Jul 7, 2025, 4:07 PM Ryan Harkins via RE-wrenches 
> <re-wrenches at lists.re-wrenches.org> wrote:
> 
> PSP Products!  SAK-60 model for up to 60A.  Easy setup, detects 
> frequency of generator, and drops the inverter out for you.  Doesn't 
> require direct wiring to the gen.
> 
> <SAK-60-Angle-Shadow-scaled.jpeg>
> 
> SAK-60 Wireless Load Management [1]
> pspproducts.com [1]
> 
> Ryan Harkins
> NABCEP Certified PV Installation Professional(tm) /
> Project Manager
> 
> <Screen Shot 2013-04-12 at 2.33.51 PM.png>
> 
> Synergy Renewable Systems, LLC
> PO Box 58
> Stoughton, WI 53589
> PH: (608) 712-7862
> 
> See our new website!
> www.synergyrenewablesystems.com [2]
> 
> On Jul 7, 2025, at 3:33 PM, Jeremy Rodriguez via RE-wrenches 
> <re-wrenches at lists.re-wrenches.org> wrote:
> 
> Wrenches
> What are you using to drop AC to a GT inverter when a generator starts 
> up?
> I have a 40A rated contactor in place but it failed after 18 months.
> The generator is not close to the inverters , so I ran a grid reference 
> circuit to the inverter location and installed the contactor there.
> 
> Jeremy Rodriguez
> Solar Installation / Design
> All Solar, Inc.
> 1453 M St.
> Penrose Colorado 81240
> 
> Sent by Jeremy's iPhone. Sorry for typos and shorthand.
> _______________________________________________
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org [3]
> 
> List Address: RE-wrenches at lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try 
> the other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 
> _______________________________________________
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org [3]
> 
> List Address: RE-wrenches at lists.re-wrenches.org
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try 
> the other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org

<SAK-60-Angle-Shadow-scaled.jpeg>
<Screen Shot 2013-04-12 at 2.33.51 PM.png> 
_______________________________________________
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches at lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try 
the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

_______________________________________________
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches at lists.re-wrenches.org

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try 
the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org



Links:
------
[1] 
https://www.pspproducts.com/load-management/sak-60-wireless-load-management/
[2] http://www.synergyrenewablesystems.com
[3] http://re-wrenches.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20250708/f5c0d463/attachment.htm>


More information about the RE-wrenches mailing list