Description
Key Benefits
- Complete breaker kit for GridBOSS installations
- Includes multiple breaker ratings for versatile system configurations
- Pre-matched components ensure seamless hybrid inverter integration
- Simplifies wiring and reduces installation time
- Installer-friendly design eliminates guesswork
- Compatible with EG4 hybrid inverter models
- Reliable protection tailored for solar storage systems
Best Uses
Tech Specs
| Spec | Value |
|---|---|
| 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 |
Warranty
Important: Warranty terms may vary based on installation conditions and system configuration. See manufacturer documentation for full details.
More Info
The EG4 GridBOSS Breaker Kit – 90A is a comprehensive bundle designed to streamline the installation of GridBOSS systems paired with hybrid inverters requiring 90A breakers.
This kit includes all essential breakers needed for a standard GridBOSS installation, reducing sourcing time and ensuring full compatibility.
Breaker ratings included are 30A (×1), 40A (×1), 60A (×2), 80A (×1), and 90A (×3), covering common system configurations.
It supports hybrid ports ranging from 1 to 3, with specific wiring recommendations for compatible inverters such as 50A breaker with 6 AWG wire for 12kPV, 70A breaker with 4 AWG wire for FlexBOSS18, and 90A breaker with 2 AWG wire for FlexBOSS21.
Torque values should follow those printed on the breakers to ensure proper installation.
EG4 specializes in renewable energy technology, offering solar storage systems, inverters, and balance-of-system components designed for seamless integration and efficient solar deployments.
This breaker kit provides a reliable, installer-friendly solution that simplifies wiring and system commissioning for professional solar installers.





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