I have done it with a SQD 60a, 240 vac contactor. The coil is 120 vac. It is driven by a secondary 12vdc relay sending 120 ac to the coil. The coil of the dc relay is driven by the 12 vdc auxiliary output of the Outback FX inverter. I use the contactor and dc relay normally closed contacts. They open when the inverter energizes the dc relay.
Kirk Herander Vermont Solar Engineering 802.863.1202 NABCEP(tm) Certified Solar Installer NYSERDA-eligible Installer VT Solar Incentive Program Partner _____ From: [email protected] [mailto:[email protected]] On Behalf Of Jeff Yago Sent: Wednesday, June 03, 2009 9:35 AM To: RE-wrenches Subject: Re: [RE-wrenches] AC coupled relay What specific supplier, model number, and brand relay have you found to be perfect to isolate the inverter AC output to the sub-panel of a battery-based inverter in an AC coupled system? This will be in the 20 to 30 amp 240 VAC contact range. Also, do you normally set it up as N.C. or N.O. for fail-safe reasons? Coil voltage 12 vdc or 120 vac? Thanks, Jeff Yago _____ Netscape. Just the Net You Need.
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