EG4 GridBOSS Micro-Grid Interconnection Device (MID) v3.1

Simplify and Optimize Your ESS

The EG4 GridBOSS MID simplifies your Energy Storage System (ESS) by consolidating up to 10 components into a single, powerful unit. Designed to seamlessly connect utilities, generators, inverters, and loads, it offers centralized control, easy installation, and real-time remote monitoring.

Key Features

• One-Point ESS Control: Connect and manage utility, inverters, generator, and loads from a single device.
• Reduced Complexity: Replace breakers, transfer switches, and more with one compact solution.
• Smart Load & Power Shedding: Automate power management to optimize battery performance.
• 200A Service Entrance: Reliable with a 22 kAIC main breaker for powerful service integration.
• Real-Time Monitoring: Access and adjust settings remotely via the EG4 app or monitoring system website.
• Configurable Breakers: Supports one generator up to 125A, 3 hybrid inverters up to 90A each, and 4 smart ports ranging from 60A to 125A. 

Specifications

• Voltage: 120/240VAC
• Max Current: 200A
• Hybrid Ports: 3 (up to 90A each)
• Smart Ports: 4 (up to 125A)
• Operating Temp: -40°F to 140°F 
• Warranty: 10 years Certifications: UL Certified, compatible with Eaton 200A main breaker model CSR25K 

Elevate Your ESS Today: Explore how the EG4 GridBOSS can streamline and enhance your energy management.

User Manual / Documents:

• EG4 GridBOSS MID v3.1 User Manual
• EG4 GridBOSS MID v3.1 Specifications

Important EG4 GridBoss Breaker Information

Please Note:

• You must purchase a 90A Breaker separately for use with the EG4 FlexBoss21 Hybrid Inverter.
• You must purchase a 50A Breaker separately for use with the EG4 12kPV Hybrid Inverter.
• A 125A Breaker (sold separately) can be used with either the Smart Port or Gen Port.
• 200A main breaker not included (must be purchased separately; model required: Eaton 200A CSR25K, not available through Signature Solar. See manual for more information). 

Notice: In order for the GridBOSS to meet it's UL Certifications copper wire must be used inside the unit.