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EG4 GridBOSS MID v3.1 Microgrid Interconnect Device | 200A Service Entrance

SKU: EG4GRIDBOSS
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Original price $1,798.11 - Original price $1,798.11
Original price
$1,798.11
$1,798.11 - $1,798.11
Current price $1,798.11
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EG4 GridBOSS MID v3.1 Microgrid Interconnect Device | 200A Service Entrance

EG4 GridBOSS MID v3.1 Microgrid Interconnect Device | 200A Service Entrance

EG4 GridBOSS MID | 200A Microgrid Interconnect Device

The EG4 GridBOSS MID sets a new standard in microgrid interconnection. Designed to streamline complex solar and backup installations, it combines multiple components into a single, intelligent unit—reducing equipment costs and installation time. With four smart ports, a 200A service entrance rating, and seamless integration with up to three hybrid inverters and a generator, the GridBOSS offers unmatched control, flexibility, and reliability for whole or partial home backup systems.

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

Key Features & Benefits

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

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

  • 200A Service Entrance Rating – Delivers full 200A capacity for both backed-up and non-backed-up loads.

  • Smart Load Support – Includes four configurable ports (125A, 80A, 60A, 60A) for smart loads or AC coupling.

  • Advanced Load Management – Features five programmable drivers for precise energy distribution.

  • Monitoring & Compatibility – Supports up to three 90A hybrid inverters, a 125A generator, and eight energy monitoring circuits.

  • Optimized for EG4 Ecosystems – Pairs seamlessly with the FlexBOSS21 to simplify installations and reduce costs.

Specifications:

EG4 GridBOSS Micro-Grid Interconnection Device (MID) V3
GRID
Nominal AC Voltage 120/240 VAC (L1/L2/N required)
Frequency 60 Hz
Maximum Current 200A
Service Entrance Rated 22kAIC with 200A Eaton
CSR2200N (CSR25K) breaker*
GENERATOR
Nominal Voltage 120/240 VAC (L1/L2/N required)
Frequency 60 Hz
Maximum Current 125A
NON-BACKUP
Nominal Voltage 120/240 VAC (L1/L2/N required)
Frequency 60 Hz
Maximum Current 200A
BACKUP
Nominal Voltage 120/240 VAC (L1/L2/N required)
Frequency 60 Hz
Maximum Current 200A
HYBRID
Number of Ports 3
Nominal Voltage 120/240 VAC (L1/L2/N required)
Frequency 60 Hz
Maximum Current per Port 90A**
Supported Inverters EG4® 12kPV, 18kPV,
FlexBOSS18, FlexBOSS21***
SMART PORTS
Number of Ports 4
Nominal Voltage 120/240 VAC (L1/L2/N required)
Frequency 60 Hz
Maximum Current per Port 1: 125A | 2: 80A | 3: 60A | 4: 60A
GENERAL DATA
Communication Interface RS485/Wi-Fi/CAN
Idle Consumption ~55W
Transfer Time ~25 ms
Internal Bus Rating 350A (software limited to 200A)
Internal Fuse Rating 315A
Operating Altitude <6561 ft (<2000 m)
Relative Humidity 0 – 100%
Outdoor Rating NEMA 3R
Operating Ambient Temperature Range -40°F – 113°F
Product Dimensions (H×W×D) 31.5 in × 19.7 in × 7 in
Unit Weight 55 lbs.

Product Documents:

EG4 GridBOSS Micro-Grid Interconnection Device (MID) V3 User Manual

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EG4 GridBOSS Micro-Grid Interconnection Device (MID) V3 Specification Sheet

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