Solis 7.6kW Plus Inverter Specifications
| Model | Solis-1P7.6K-4G-US |
| Application | Residential |
| Rated Output Power | 7.6 kW |
| Max Efficiency | 97.8% (CEC: 97.5%) |
| MPPT Channels | 3 independent MPPTs |
| Max Input Current | 14A per string |
| Max Short Circuit Current | 22A per string |
| MPPT Voltage Range | 100-500V |
| Max Input Voltage | 600V DC |
| Rated Input Voltage | 330V |
| Max Output Current (240V) | 31.7A |
| Max Output Current (208V) | 36.5A |
| Operating Temperature | -13°F to 140°F |
| Dimensions | 13.1×28.8×9.8 in |
| Weight | 20.5 kg (45.2 lb) |
| Warranty | 10 Years Standard |

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Solis 1P7.6K-4G-US-PLUS 7.6kW Single Phase Solar Inverter
SKU SOLIS-1P7.6K-4G-US-PLUS-RES
Solis 7.6kW Single Phase Grid-Tied Inverter

The Solis 1P7.6K-4G-US-PLUSrepresents proven single-phase string inverter technology with over a decade of field deployment in North American markets. This 7.6kW unit features four independent MPPT channels with 14A string current capability, enabling compatibility with high-power and bifacial PV modules while maximizing design flexibility in complex installations. The inverter achieves 97.8% maximum efficiency with 97.5% CEC efficiency ratings.
Advanced safety features include integrated AFCI protection and built-in module-level rapid shutdown transmitters compatible with APS and Tigo MLRSD systems. UL3741 and PVRSS compliance enables simplified installation procedures when paired with appropriate racking systems and array-level shutdown devices.
Solis-1P7.6K-4G-US-PLUS Inverter Features
- Superior Efficiency: 97.8% maximum efficiency with 97.5% CEC efficiency delivers optimal energy conversion and reduced system losses
- Advanced MPPT Design: Four independent MPPT channels with 100-500V range enable complex array configurations and shadow mitigation
- Integrated Safety Protection: Built-in AFCI protection and DC arc-fault detection proactively reduce fire risk in residential installations
- Professional Monitoring: RS485 communication with optional cellular/WiFi connectivity and module-level monitoring capabilities
- Climate Resilient: -25°C to 60°C operating range with natural cooling design for reliable performance in diverse conditions
Solis-1P7.6K-4G-US-PLUS Certifications
The Solis-1P7.6K-4G-US-PLUS meets comprehensive safety and performance standards for residential and commercial installations across North America.
- UL1741SB - Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources
- IEEE 1547-2018 - Standard for Interconnection and Interoperability of Distributed Energy Resources
- UL1699B - Arc-Fault Circuit-Interrupters
- UL1998 - Software in Medical Devices
- California Rule 21 - Smart Inverter Requirements for Distributed Energy Resources
- HECO Rule 14H - Hawaiian Electric Company Interconnection Standards
- NEC 690.12-2020 - Rapid Shutdown of PV Systems Requirements
- CAN/CSA C22.2 107.1-1 - General Use Power Supplies Canadian Standards
- FCC Part 15 Class B - Radio frequency emission compliance for residential use

Solis-1P7.6K-4G-US-PLUS Single Phase Residential Inverter Review
The Solis-1P7.6K-4G-US-PLUS delivers professional-grade performance with transformerless topology and advanced MPPT algorithms optimized for North American grid conditions. The four independent MPPT channels with 14A string current capability accommodate modern high-power modules including bifacial technologies, while the 100-500V MPPT range provides excellent design flexibility for various roof configurations and shading conditions.
The built-in module-level rapid shutdown transmitter supports both APS and Tigo MLRSD ecosystems, enabling UL3741 compliance for simplified installations. Professional features include optional revenue-grade metering with ANSI C12.20-2010 compliance, comprehensive communication protocols, and robust TYPE 4X environmental protection suitable for outdoor installations in challenging climates.
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