5. PRODUCT OVERVIEW
The EG4
®
GridBOSS is a service entrance-rated intelligent power distribution device that utilizes
software, relays, and programmable smart ports to direct power to where and when it’s needed. There
are four possible sources of AC input to support various system design needs: the grid, up to three
hybrid inverters, a generator, and AC coupling ports. The system can output power to the backup loads
port, the smart ports, and the non-backup loads port. Common uses for smart ports include power
shedding for various loads, such as electric vehicles, water heaters, and HVAC units. Smart ports are
also used for attaching AC-coupled PV, which provides another source of power. The unit supports an
AC pass-through current of up to 200 amps, providing end users with intelligent distribution solutions.
Common application scenarios are shown in the image below, with the configuration steps shown in
section 6.
IMPORTANT
The breakers displayed in the image above are the maximum supported sizes
for each port. The maximum allowed total output amperage is set at 200 amps.
If the current draw exceeds 200A, GridBOSS will begin to limit load output.
breaker amperage is based
on the connected inverter:
50A: 12kPV
70A: 18kPV
90A: FlexBOSS21
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