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EG4 System Management Kit (Inverter & MID)
$5,990.00
SKU# K0994
Upgrade your energy system with the EG4 FlexBOSS21 Hybrid Inverter and GridBOSS MID gateway – a complete solution for residential and commercial setups. With 21kW PV input, 3 MPPTs, and support for multi-orientation solar arrays, the FlexBOSS21 delivers seamless on-grid and off-grid performance. Paired with the GridBOSS MID, this kit simplifies installations by combining up to ten components into one unit, reducing costs and optimizing energy flow across eight circuits. Featuring 200A service rating, smart load management, AC coupling, and full remote monitoring, it’s ideal for whole-home backup, micro-grids, and advanced ESS applications.
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SKU#:K0994
Spec Sheet:
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DOWNLOADSystem Wiring Diagrams:DOWNLOAD
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GO TO LINKInverter Specifications
Nominal Voltage:120V AC / 240V AC
Frequency:60 Hz
Max. Continuous Current:200A
Service Entrance Rating:200A
Nominal Voltage:120V AC / 240V AC
Frequency:60 Hz
Max. Continuous Current:125A
Nominal Voltage:120V AC / 240V AC
Frequency:60 Hz
Max. Continuous Current:200A
Number of Ports:3
Nominal Voltage:120V AC / 240V AC
Frequency:60 Hz
Max. Continuous Current (per port):70A
Supported Inverters:EG4 12kPV, EG4 18kPV, & EG4 FlexBOSS21
Number of Ports:4
Nominal Voltage:120V AC / 240V AC
Frequency:60 Hz
Max. Continuous Current (per port):125A / 80A / 60A / 60A
Internal Busbar Rating:350A
Internal Fuse Rating:315A
Operating Temperature Range:-40ºF – 140ºF (-40ºC – 60ºC)
Relative Humidity:0 – 100%
Altitude:<6,561 ft (2000 m)
Protection Rating:IP14 / NEMA 3R
Communications:RS485 / CANBus / WiFi
Weight:55 lbs (25 kg)
Depth:7 in (178 mm)
Width:19.7 in (501 mm)
Height:31.5 in (800 mm)
FlexBoss21 Inverter: 10-Year EG4 Manufacturer Warranty
GridBOSS Mid: 10-Year EG4 Manufacturer Warranty
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