EG4 GridBOSS MID v3.1 | 200A Service Entrance

EG4 GridBOSS MID – 200A Microgrid Interconnect Device for Solar & Backup Power Systems

The EG4 GridBOSS MID is a next-generation microgrid interconnect device engineered to simplify and optimize solar + battery + generator installations. By consolidating multiple components into a single intelligent unit, the GridBOSS cuts equipment costs, shortens installation time, and delivers precise energy management for whole-home or partial backup systems.

With four smart load ports, a 200A service entrance rating, and seamless integration with up to three hybrid inverters and a 125A generator, this device offers unparalleled flexibility, control, and reliability for residential and light commercial energy systems.

Note: Breakers for smart ports, hybrid inverters, and generator input are sold separately.

Key Features & Benefits:

• Simplified System Integration – One connection point for utility power, hybrid inverters, generator, smart loads, and essential/non-essential circuits

• Cost-Effective Design – Reduce equipment and labor expenses, saving up to $7,500 in a typical installation

• 200A Service Entrance Rating – Supports backed-up and non-backed-up loads at full 200A capacity

• Smart Load Support – Four configurable ports (125A, 80A, 60A, 60A) for flexible load management or AC coupling

• Advanced Load Management – Five programmable drivers for precision energy distribution

• Wide Compatibility – Connect up to three 90A hybrid inverters, a 125A generator, and eight energy monitoring circuits

• Optimized for EG4 Ecosystems – Pairs with the FlexBOSS21 for even faster, lower-cost installations

The EG4 GridBOSS MID is the ideal microgrid hub for modern solar energy systems, giving you total control over power distribution, whether you’re on-grid, off-grid, or hybrid.