Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!

Price Match Guarantee 💲 Fast & Free Shipping 📦 No Sales Tax 💵 Post Purchase Support 🤝 Free Replacement Parts 🛠️ Dealer Warranty 👷🏼 Extended Warranty!
Skip to content
Facebook Instagram LinkedIn Pinterest
About Us Contact Us Contact Form FAQ
EG4 GridBOSS MID | 200A Service Entrance

EG4 GridBOSS MID | 200A Service Entrance

SKU EG4GRIDBOSS
Save $576.00
$2,879.97
$2,303.97

Notify me when back in stock

✅ FREE REPLACEMENT PARTS FOR LIFE ⚙️

¡También ofrecemos atención al cliente en español!

Find a better price somewhere else?

Well... we will BEAT their price to get you the lowest pricing, we will find and SPEAK with a local installer, AND you get our post-purchase customer support.

Call/Text Us: 1-888-855-7286
Live Chat With an Expert

  • US Based Authorized DuroMax Dealer

    Full manufacturer warranty included

  • 4-5 Day Free Shipping + No Sales Tax

    More savings on every purchase and ships in 4-5 business day

  • Easy 30-Day Returns & Price Beat Guarantee

    Risk-free shopping + best price guaranteed

  • Post-Purchase Customer Support

    Dedicated help whenever you need it


ESTIMATED DELIVERY BETWEEN

Order within to get it by the earliest date.


EG4 GridBOSS Micro-Grid Interconnection Device (MID)

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.

EG4 GridBOSS MID | 200A Service Entrance 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.
 Placeholder Image

EG4 GridBOSS MID | 200A Service Entrance Applications

  • Residential energy storage & backup systems – Manage grid and battery power efficiently.
  • Off-grid and hybrid solar energy systems – Seamless integration with solar inverters.
  • Commercial and industrial energy management – High-power distribution for businesses and facilities.
  • Whole-home energy independence – Reduces reliance on the utility grid.
  • Emergency power switching – Automatically switches to battery or generator backup during grid failures.
 Placeholder Image

What's Included

Everything you need is included with your product.
  • EG4 GridBOSS MID | 200A Service Entrance
  • User Manual

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

Important EG4 GridBoss Breaker Information

Each EG4 GridBoss unit includes:

  • 90A Breaker:
  • Compatible only with the EG4 FlexBOSS21
  • Smart Port Breakers:
  • Rated at 30A, 40A, 60A, and 80A.

Please Note:

  • You must purchase a 70A breaker separately for use with the EG4 18kPV 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. 

EG4 GridBOSS MID Specifications

GRID
Specification Details
NOMINAL AC VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 200A
SERVICE ENTRANCE RATED 22kAIC with 200A Eaton breaker (model: (CSR2200N) CSR25K)

GENERATOR
Specification Details
NOMINAL VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 125A

NON-BACKUP
Specification Details
NOMINAL VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 200A

BACKUP
Specification Details
NOMINAL VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 200A

HYBRID
Specification Details
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, & FlexBOSS21**

SMART PORTS
Specification Details
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
Specification Details
COMMUNICATION INTERFACE RS485/Wi-Fi/CAN
IDLE CONSUMPTION ~55W
TRANSFER TIME ~25 ms
INTERNAL BUS RATING 350A
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 (-40°C – 45°C)
PRODUCT DIMENSIONS (H×W×D) 31.5×19.7×7 in (800×500×178 mm)
UNIT WEIGHT 55 lbs. (25 kg)
STANDARD WARRANTY 10-year standard warranty***

EG4 GridBOSS Micro-Grid Interconnection Device (MID) Video

 

Frequently-Asked Questions

Is the EG4 GridBOSS MID compatible with all inverters?

Yes, it works with most hybrid and off-grid inverters, ensuring smooth integration into solar and battery systems.

Can this unit manage grid power and battery storage?

Yes, it automatically switches between grid, battery, and solar power for optimized energy use.

Does it provide surge protection?

Yes, built-in surge protection safeguards your energy system from voltage spikes and overloads.

Is installation complicated?

No, the unit comes pre-wired for easy installation, reducing setup time.

Can I expand my system later?

Yes! The EG4 GridBOSS MID is scalable, making it a future-proof solution for growing energy needs.

Manual

Shipping is FREE on all orders to customers within the 48 Contiguous States and the District of Columbia. We do not ship to Alaska, Hawaii, or any outlying islands and territories.

Processing time for orders is 1 business day

Shipping time for orders is 4-5 business days


Want to know more about our Returns Policy? Read more here.

Want to know more about our Shipping Policy? Read more here.

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Krato Power.

  • Family Owned & Operated. Ask for Alex (Owner) at any time!
  • 4-5 Day Free Shipping with free liftgate service to the 48 Contiguous States and the District of Columbia. No extra charges. Ever
  • NO Sales Tax except for IN
  • Secured Purchase. All Customer data is secured with SSL Encryption
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Exceptional Customer Service. Check out our About Us page.
  • Call or Text Us - We are really here! (In the USA). 1-888-855-7286
In Stock and Ready To Ship

All of our items are in stock and ready to ship. All items ship within 1 business day.

Top Customer Service

We have excellent customer service. Questions? Call us at 1-888-855-7286

Hassle Free Returns

30 Day Easy Return Policy

Price BEAT Guarantee

Found a better price? We will BEAT it!

Schedule a Consultation

  • Still interested but want to talk at a diferent time?
  • Schedule a consultation here for later!
Book a Consultation
f
Description

EG4 GridBOSS Micro-Grid Interconnection Device (MID)

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.

EG4 GridBOSS MID | 200A Service Entrance 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.
 Placeholder Image

EG4 GridBOSS MID | 200A Service Entrance Applications

  • Residential energy storage & backup systems – Manage grid and battery power efficiently.
  • Off-grid and hybrid solar energy systems – Seamless integration with solar inverters.
  • Commercial and industrial energy management – High-power distribution for businesses and facilities.
  • Whole-home energy independence – Reduces reliance on the utility grid.
  • Emergency power switching – Automatically switches to battery or generator backup during grid failures.
 Placeholder Image

What's Included

Everything you need is included with your product.
  • EG4 GridBOSS MID | 200A Service Entrance
  • User Manual

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

Important EG4 GridBoss Breaker Information

Each EG4 GridBoss unit includes:

  • 90A Breaker:
  • Compatible only with the EG4 FlexBOSS21
  • Smart Port Breakers:
  • Rated at 30A, 40A, 60A, and 80A.

Please Note:

  • You must purchase a 70A breaker separately for use with the EG4 18kPV 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. 

EG4 GridBOSS MID Specifications

GRID
Specification Details
NOMINAL AC VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 200A
SERVICE ENTRANCE RATED 22kAIC with 200A Eaton breaker (model: (CSR2200N) CSR25K)

GENERATOR
Specification Details
NOMINAL VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 125A

NON-BACKUP
Specification Details
NOMINAL VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 200A

BACKUP
Specification Details
NOMINAL VOLTAGE 120/240 VAC (L1/L2/N required)
FREQUENCY 60 Hz
MAXIMUM CURRENT 200A

HYBRID
Specification Details
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, & FlexBOSS21**

SMART PORTS
Specification Details
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
Specification Details
COMMUNICATION INTERFACE RS485/Wi-Fi/CAN
IDLE CONSUMPTION ~55W
TRANSFER TIME ~25 ms
INTERNAL BUS RATING 350A
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 (-40°C – 45°C)
PRODUCT DIMENSIONS (H×W×D) 31.5×19.7×7 in (800×500×178 mm)
UNIT WEIGHT 55 lbs. (25 kg)
STANDARD WARRANTY 10-year standard warranty***

EG4 GridBOSS Micro-Grid Interconnection Device (MID) Video

 

Frequently-Asked Questions

Is the EG4 GridBOSS MID compatible with all inverters?

Yes, it works with most hybrid and off-grid inverters, ensuring smooth integration into solar and battery systems.

Can this unit manage grid power and battery storage?

Yes, it automatically switches between grid, battery, and solar power for optimized energy use.

Does it provide surge protection?

Yes, built-in surge protection safeguards your energy system from voltage spikes and overloads.

Is installation complicated?

No, the unit comes pre-wired for easy installation, reducing setup time.

Can I expand my system later?

Yes! The EG4 GridBOSS MID is scalable, making it a future-proof solution for growing energy needs.

Manual
Shipping

Shipping is FREE on all orders to customers within the 48 Contiguous States and the District of Columbia. We do not ship to Alaska, Hawaii, or any outlying islands and territories.

Processing time for orders is 1 business day

Shipping time for orders is 4-5 business days


Want to know more about our Returns Policy? Read more here.

Want to know more about our Shipping Policy? Read more here.

Why Buy From Us

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Krato Power.

  • Family Owned & Operated. Ask for Alex (Owner) at any time!
  • 4-5 Day Free Shipping with free liftgate service to the 48 Contiguous States and the District of Columbia. No extra charges. Ever
  • NO Sales Tax except for IN
  • Secured Purchase. All Customer data is secured with SSL Encryption
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Exceptional Customer Service. Check out our About Us page.
  • Call or Text Us - We are really here! (In the USA). 1-888-855-7286