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William Miller Miller Solar www.millersolar.com CA License C-10 77398 *From:* RE-wrenches [mailto:[email protected]] *On Behalf Of *Drake Chamberlin via RE-wrenches *Sent:* Tuesday, July 21, 2026 6:35 AM *To:* RE-wrenches *Cc:* [email protected] *Subject:* [RE-wrenches] Relay Drivers Hello, The Morningstar relay driver is a great device. It can measure 48VDC nominal and operate relays based on the measured voltage. The problem is that, if it is measuring 48VDC nominal, it outputs the same. Is there anything besides a charge controller that can measure 48 VDC nominal and put out a small 12VDC current? The 12VDC output of an Outback or Midnite charge control is perfect. If a relay driver, with several channels, could do this, it would be a very useful device. Does anything like this exist? Thanks, Drake *Drake Chamberlin* *Athens Electric LLC* *Ohio Electrical Contractor’s License 44810* *NABCEP Certified PV Installation Professional*
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