The HERF-1800 is a powerful microinverter from Estar Energy, designed for four-module solar panel installations. This inverter offers increased efficiency and reliability, ideal for both residential and commercial applications.
Technical Specifications
| Feature | Value |
|---|---|
| Model | AUTUMN-1800 |
| Number of MPPTs | 2 |
| Number of inputs per MPPT | 2 |
| Nominal power (VA) | 1800 |
| Nominal output current (A) | 7.83 |
| Recommended panel power (W) | 300–540+ |
| MPPT voltage range (V) | 16–48 |
| Starting voltage (V) | 22 |
| Maximum input voltage (V) | 60 |
| Maximum input current (A) | 4 × 14 |
| Nominal AC voltage (V) | 230 (range 180–270) |
| Nominal frequency (Hz) | 50 (range 45–55) |
| Power factor | Adjustable from 0.8 (leading) to 0.8 (lagging) |
| THD (Total Harmonic Distortion) | <3% |
| Efficiency (CEC) | 96.5% |
| Protection class | IP67 (dust and waterproof) |
| Temperature range (°C) | -40 to +65 |
| Communication | 2.4 GHz wireless |
| Certifications | EN 50549-1:2019, VDE-RN 4105:2018 |
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High Efficiency : With 96.5% CEC efficiency and 99.5% MPPT efficiency, the HERF-1800 delivers excellent performance.
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Modular configuration : The 4-in-1 configuration makes installation easier and more flexible.
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Wide Voltage Range : Suitable for various panel types and environmental conditions.
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Reliability : IP67 protection and a wide temperature range ensure long-lasting performance.
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Smart Communication : Wireless monitoring via 2.4 GHz enables real-time data analysis.
The integrated EMS automatically optimizes consumption, storage, and grid load. In the event of a power outage, the system switches to backup power within ≤10 ms.
With a built-in EMS (Energy Management System), support for peak shaving, and flexible charge and discharge settings, energy balance is automatically adjusted to consumption, grid status, and storage.
With an IP66 enclosure, silent passive cooling, and real-time monitoring via app or WiFi, the inverter offers reliability, ease of use, and minimal maintenance requirements.
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