Description
Big Battery EG4 GridBOSS 200A MID – CNT103
The EG4 GridBOSS MID is a revolutionary power gateway designed to simplify and optimize modern energy storage systems. By consolidating up to ten components into a single, centralized unit, the GridBOSS offers unrivaled capabilities, reducing the complexity and cost of system installations while providing seamless control of utilities, inverters, generators, and loads. Engineered to outperform traditional Micro-Grid Interconnect Devices (MIDs), the GridBOSS provides a 200A service entrance rating, cutting-edge smart load management, and flexible port configurations, making it the perfect solution for whole-home backup power, micro-grid setups, solar ESS, commercial systems, and a wide range of energy optimization applications.
The GridBOSS MID all about simple, effective integration, combining your utility power connection, up to three 90A inverters, and four programmable smart ports capable of AC coupling and managing high-demand loads, all into a single device, eliminating the need for additional breakers, transfer switches, or complex wiring setups. Plus, when it comes to your power, visibility is essential and the GridBOSS was designed with that in mind, featuring real-time remote monitoring and management capabilities through EG4’s updated monitoring software, which tracks energy flow across eight different circuits for optimal system performance. The GridBOSS not only organizes your system while enhancing efficiency, but this state-of-the-art hub simplifies the installation process, reducing hardware and labor requirements, and saving you thousands in install costs.
The EG4 GridBOSS MID is the ultimate solution for simplifying ESS setups and enhancing system performance. With its centralized design, intelligent load management, and stress-free integrations, it delivers a powerful, cost-effective, and reliable energy system solution for residential and commercial applications, both on and off grid. Streamline your power system with the EG4 GridBOSS MID and unlock the true potential of your ESS today!
Features
- 200A Service Entrance Rating
- 200A Backup & Non-Backup Support
- 4 Configurable Smart Load Ports
- 8-Circuit Remote Monitoring
- 5-Driver Port Programming
- Supports Up To 3 90A Inverters
- Power Shedding Optimization
- UL1741-Certified
- Seamless Integration With FlexBOSS21
- 48V Battery Systems
- Residential Solar Systems
- AC Coupled UPS Systems
- Off-Grid Backup Systems
- Emergency Power Systems
- Commercial ESS
Specifications
| Nominal Voltage (Set 1) | 120V AC / 240V AC |
|---|---|
| Frequency (Set 1) | 60 Hz |
| Max. Continuous Current (Set 1) | 200A |
| Service Entrance Rating | 200A |
| Nominal Voltage (Set 2) | 120V AC / 240V AC |
| Frequency (Set 2) | 60 Hz |
| Max. Continuous Current (Set 2) | 125A |
| Nominal Voltage (Set 3) | 120V AC / 240V AC |
| Frequency (Set 3) | 60 Hz |
| Max. Continuous Current (Set 3) | 200A |
| Number of Ports (Set 4) | 3 |
| Nominal Voltage (Set 4) | 120V AC / 240V AC |
| Frequency (Set 4) | 60 Hz |
| Max Continuous Current (per port, Set 4) | 70A |
| Supported Inverters | EG4 12kPV, EG4 18kPV, EG4 FlexBOSS21 |
| Number of Ports (Set 5) | 4 |
| Nominal Voltage (Set 5) | 120V AC / 240V AC |
| Frequency (Set 5) | 60 Hz |
| Max Continuous Current (per port, Set 5) | 125A / 80A / 60A / 60A |
| Internal Busbar Rating | 350A |
| Internal Fuse Rating | 315A |
| Operating Temperature Range | -40ºF to 140ºF (-40ºC to 60ºC) |
| Relative Humidity | 0–100% |
| Altitude Rating | < 6,561 ft (2000 m) |
| Protection Rating | IP14 / NEMA 3R |
| Communications | RS485 / CANBus / WiFi |
DIMENSIONS
| Weight | 55 lbs (25 kg) |
|---|---|
| Depth | 7 in (178 mm) |
| Width | 19.7 in (501 mm) |
What our Experts Think
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High-Capacity 200A Management: Optimizes charging and discharging for large 48V–72V LiFePO4 battery banks.
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Precision Energy Monitoring: MID-certified meter provides accurate real-time data for consumption, state-of-charge, and system efficiency.
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Advanced Safety Features: Protects against overcurrent, overvoltage, and temperature extremes.
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Seamless Integration: Works with off-grid, hybrid, and solar storage systems for reliable energy control.
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Durable, Long-Lasting Build: Designed for heavy-duty use with low maintenance requirements.
Q&A
Q: What is the Big Battery EG4 GridBOSS 200A MID used for?
A: It manages battery charging, energy distribution, and grid integration in off-grid or hybrid solar systems.
Q: What is the current rating?
A: Rated for 200A, supporting high-capacity battery systems.
Q: Does it support smart monitoring?
A: Yes, it includes MID-certified energy metering and system monitoring for accurate tracking.
Q: Is it compatible with Big Battery systems?
A: Yes, it works seamlessly with EG4 and other Big Battery LiFePO4 packs.
Q: Does it offer safety features?
A: Yes. Features include overcurrent, overvoltage, and thermal protections to ensure safe operation.
Q: Why choose the GridBOSS 200A MID?
A: Users prefer it for high-current management, precise energy monitoring, and reliable integration in off-grid and hybrid solar systems.
Maintenance Tips
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Inspect connections regularly: Check all AC/DC terminals and cable connections for tightness and corrosion monthly.
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Keep clean and dry: Wipe the unit and surrounding area to prevent dust accumulation and moisture ingress.
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Monitor system status: Check the display or monitoring software for error codes, voltage irregularities, or abnormal temperatures.
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Check grounding: Ensure proper grounding to avoid electrical hazards and improve performance.
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Firmware updates: Apply manufacturer-recommended firmware updates to maintain optimal efficiency and safety.
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Avoid overloading: Do not exceed the rated 200A current; high loads can reduce lifespan and trigger faults.
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Environmental care: Install in a cool, ventilated area, away from direct sunlight, water, or corrosive materials.
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