EG4 GridBOSS MID | 200A Service Entrance

EG4 GridBOSS: The Ultimate Microgrid Interconnect Device (MID)
The EG4 GridBOSS redefines how you connect and control power flows in solar and backup systems—combining multiple electrical components and 200A service-entrance capability into a single, cost-effective solution. With four programmable AC-coupling or smart-load ports (up to 125A each) and support for up to three 90A hybrid inverters plus a 125A generator, the GridBOSS simplifies design, slashes installation time, and provides powerful load management for both whole-home and partial backup applications.

Key Features & Benefits

1. Simplified Integration

   • Single connection point for utility, inverters, generator, and loads
   • Eliminates extra switchgear and sub-panels

2. Cost-Effective

   • Saves up to $7,500 by reducing additional equipment and labor
   • Streamlined design shortens installation time

3. High-Capacity Service

   • 200A service-entrance rating with 22kAIC fault-current rating
   • Supports 200A backed-up loads + 200A non-backed-up loads for seamless power distribution

4. Flexible Smart Load Ports

   • Four configurable ports (125A, 80A, 60A, 60A) for AC coupling or advanced load management
   • Five drivers enable tailored load control strategies

5. Robust Compatibility

   • Supports up to three hybrid inverters at 90A each
   • Accepts a 125A generator (up to 30 kW) for reliable off-grid or emergency power
   • Integrates effortlessly with EG4 inverters for a unified monitoring and control experience

6. Monitoring & Control

   • Tracks eight circuits to ensure optimal power usage
   • Advanced load management keeps critical systems online during outages

7. User-Friendly & Durable

   • Compact form factor at 31.5×19.7×7.0 in. and 60 lbs
   • 10-year warranty guarantees peace of mind

Empower your entire system with the EG4 GridBOSS. Whether you’re aiming for whole-home backup, partial backup, or a sophisticated microgrid setup, the GridBOSS delivers unmatched ease, efficiency, and reliability—all in one revolutionary, service-entrance-rated device.

Spec Sheet: Download

User Manual: Download

***If you've purchased an EG4 GridBoss Inverter through Portable Sun, be sure to use the customer code 'PortableSun' when setting up the monitoring system!

Our Michigan-based phone support connects you directly with a live, knowledgeable representative. We are committed to providing prompt and personalized assistance, ensuring your inquiries are addressed efficiently by professionals who prioritize your needs and value your time.