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Interested in learning more about AC coupling? Check out the Alt-E Store blog post about it!
Capable of 4,000 watts of grid tie input when installed with an existing grid tie system and sealed battery bank (gel or agm).
The MidNite AC coupled system includes a Magnum 120/240VAC, 24VDC 4,000 watt Inverter, prewired for 4,000 watts of grid tie input a MidNite D3R battery box Capable of AC coupled system using our D3R battery box with the Magnum MS4024PAE inverter. Initially designed around the Concorde PVX3050T 6 volt batteries, this system can be used with any comparable sealed battery option for the battery bank. The MND3RACCPLME is a complete, ready to use (Less Batteries) AC coupled system. The AC coupled system will give you battery backup when the utility is down and also allow the existing grid tie system to charge the batteries and run loads. ETL Listed for the US and Canada.
How does an AC Coupled system work?
An AC coupled system will sell the PV power to the grid under normal conditions. When there is a power outage the battery based inverter will open its relay and disconnect from the grid. It will produce AC power for the critical loads at this time. The grid tie inverter will connect to the battery based inverter to run the loads and charge the batteries from the Solar Panels. When the batteries get full there is a relay inside the AC coupled battery based inverter system that disconnects the grid tie inverter to prevent the batteries from being over charged. Check out the diagram below for one possible system setup.
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