EG4 GridBOSS Breaker Kit - 90A EG4MIDBRKRKIT

EG4 GridBOSS Breaker Kit - 90A EG4MIDBRKRKIT

Regular price $297.30
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EG4 GridBOSS Breaker Kit - 90A EG4MIDBRKRKIT

EG4 GridBOSS Breaker Kit - 90A EG4MIDBRKRKIT

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MPN No: EG4MIDBRKRKIT
Regular price $297.30

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Regular price $297.30

EG4 GridBOSS Breaker Kit – 90A EG4MIDBRKRKIT

The EG4 GridBOSS Breaker Kit – 90A is a complete breaker bundle designed to streamline installation of GridBOSS systems paired with hybrid inverters requiring 90A breakers. Instead of sourcing individual breakers separately, this kit provides all required BSB breakers in one package for faster setup, simplified planning, and reliable system integration. 


Key Technology

  • All-In-One Breaker Kit
    Includes all essential breakers required for a standard GridBOSS installation, reducing sourcing time and ensuring compatibility. 

  • Pre-Matched Component Set
    Designed specifically for hybrid inverter integration, ensuring proper protection and simplified wiring layout. 

  • Multiple Breaker Ratings Included
    Kit contains 30A (×1), 40A (×1), 60A (×2), 80A (×1), and 90A (×3) breakers to cover standard system configurations. 

  • Installer-Friendly Design
    Bundled solution eliminates guesswork and supports efficient system commissioning.


Best Uses

  • GridBOSS Installations
    Ideal for projects using EG4 GridBOSS distribution systems.

  • Hybrid Inverter Systems
    Designed for use with EG4 hybrid inverter models including FlexBOSS and 12kPV/18kPV series. 

  • Professional Installers
    Perfect for installers who want a complete breaker set ready for deployment.


Compatibility & Wiring Guide

  • Hybrid Ports Supported: 1–3
  • 12kPV Inverter: 50A breaker, 6 AWG wire 
  • FlexBOSS18: 70A breaker, 4 AWG wire 
  • FlexBOSS21: 90A breaker, 2 AWG wire 
  • Torque: Use value printed on breaker 

Product Specifications

Specification Details
Manufacturer EG4
Model EG4MIDBRKRKIT
Product Type GridBOSS Breaker Kit
Breaker Ratings Included 30A (×1), 40A (×1), 60A (×2), 80A (×1), 90A (×3)
Length 16.7 in (42.5 cm)
Width 11.2 in (28.5 cm)
Height 3.7 in (9.5 cm)
Weight 11.0 lb 
Supported Hybrid Ports 1–3
Application GridBOSS hybrid inverter systems

 

About EG4:

EG4 is a renewable energy technology manufacturer specializing in solar storage systems, inverters, and electrical balance-of-system components designed for streamlined installation and system compatibility. Their ecosystem approach ensures components work seamlessly together for efficient solar deployments.


Complete Breaker Solution for GridBOSS Systems

The EG4 GridBOSS Breaker Kit – 90A provides installers with a ready-to-deploy set of breakers engineered for reliability, compatibility, and simplified installation. With multiple amperage ratings included and inverter-specific support, it’s an ideal solution for professional solar installers seeking a clean, efficient GridBOSS setup.

 

Why Buy From US Solar Supplier

US Solar Supplier is an American-founded company dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.

Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.


Need Assistance?

Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.