EG4 GridBOSS MID v3.1 | 200A Microgrid Interconnect

EG4 GridBOSS MID v3.1 | 200A Microgrid Interconnect Device | 4 Smart Ports + Gen Support | UL Certified | 10-Year Warranty

The EG4 GridBOSS MID v3.1 is a powerhouse device designed to simplify and enhance your home’s energy management, especially in microgrid setups. Its 200A service entrance rating means it can handle significant power flow, making it a robust central point for your solar, battery storage, and grid connections.

The inclusion of four smart ports offers impressive flexibility for integrating various components seamlessly, while the dedicated generator support ensures you’re prepared for any power outage scenario.

Simplify your solar and backup power system with the EG4 GridBOSS MID v3.1—a smart, all-in-one microgrid interconnect solution. Designed for seamless integration of utility, inverters, generators, and smart loads, the GridBOSS drastically reduces complexity, installation time, and equipment costs for home energy storage systems.

With a 200A service entrance rating, four smart load ports, and support for up to three hybrid inverters and a 125A generator input, this unit consolidates multiple components into one powerful hub. Whether you’re building an off-grid setup or a hybrid backup system, the GridBOSS delivers unmatched flexibility, safety, and performance—while enabling full remote monitoring via EG4’s mobile platform.

EG4 GridBOSS MID v3.1 Key Features & Benefits:

• All-in-One Microgrid Interconnect: Combines up to 10 system components into one streamlined unit.
• 200A Service Entrance Rated: Supports full home power with UL-rated safety and reliability.
• Smart Load Control: 4 configurable smart ports (125A, 80A, 60A, 60A) for load prioritization and AC coupling.
• Advanced Load Management: 5 programmable drivers for intelligent energy distribution and load shedding.
• Supports Up to 3 Hybrid Inverters: Compatible with EG4 12kPV, 18kPV, FlexBOSS18, and FlexBOSS21.
• Integrated Generator Input: Handles up to 125A with auto transfer and protection.
• Remote Monitoring Ready: Wi-Fi, RS485 & CAN integration with real-time control via the EG4 app.
• Outdoor Rated (NEMA 3R): Built to handle harsh conditions (-40°F to 113°F).
• DIY-Friendly Design: Save up to $7,500 in labor and components with simplified installation.
• Certified & Covered: UL1741, UL67, and UL916 compliant, with a 10-year warranty for peace of mind.

Technical Specs Overview:

• Input Voltage: 120/240 V AC, 60 Hz
• Service Rating: 200A | 22kAIC main breaker (CSR2200N required*)
• Hybrid Ports: 3 (90A each)
• Generator Input: 125A max
• Smart Load Ports: 4 configurable (125A, 80A, 60A, 60A)
• Operating Temp: -40°F to 113°F
• Dimensions: 31.5″ x 19.7″ x 7″
• Weight: 55 lbs.
• Certifications: UL1741, UL67, UL916, FCC Part 15, CSA
• Warranty: 10 Years

Ideal For:

• Off-grid & hybrid solar power systems
• Whole-home or partial-home backup setups
• Reducing installation time and cost in complex ESS configurations

Beyond its impressive power handling, the GridBOSS is built with reliability in mind. It’s UL Certified, offering peace of mind regarding safety and performance standards. Coupled with a generous 10-year warranty, EG4 clearly stands behind the longevity and quality of this microgrid interconnect device. This product is an excellent choice for homeowners looking to take greater control of their energy, whether for resilience, cost savings, or environmental reasons.

Setting up and integrating your energy systems becomes notably easier with the GridBOSS. Its user-friendly design and comprehensive support features, like the smart ports and generator input, reduce complexity. If you’re serious about building or upgrading a sophisticated home energy system, the EG4 GridBOSS MID v3.1 presents a compelling, future-proof solution that delivers both performance and peace of mind.

You Might Also Like:

• EG4 3kW Off-Grid Inverter | 3000EHV-48
• EG4 FlexBOSS 16 kW AC Hybrid Inverter | 48V Split-Phase
• Sol-Ark All-In-One Hybrid Solar Inverter | 10-Year Warranty
• EG4 18k PV Hybrid Inverter | Outdoor-ready
• EG4 12K XP Off-Grid Inverter V2 | 48V Split Phase

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