Inverter – SOFAR – POWERALL ESI-8K-T1 – hybrid – HV
| Manufacturer | |
|---|---|
| Rated power | |
| Power supply | |
| Hybrid device | |
| Off-grid mode | |
| MPPT | |
| Warranty | |
| Net width | |
| Net depth | |
| Net height | |
| CAN | |
| RS485 | |
| SPD Type II | |
| MPPT voltage range | |
| Maksymalny prąd wejściowy na MPPT [A] | |
| Maksymalna moc wejściowa [W] | |
| Sprawność europejska | |
| CN | 85044085 |
Gross
Product details
| Manufacturer | |
|---|---|
| Rated power | |
| Power supply | |
| Hybrid device | |
| Off-grid mode | |
| MPPT | |
| Warranty | |
| Net width | |
| Net depth | |
| Net height | |
| CAN | |
| RS485 | |
| SPD Type II | |
| MPPT voltage range | |
| Maksymalny prąd wejściowy na MPPT [A] | |
| Maksymalna moc wejściowa [W] | |
| Sprawność europejska | |
| CN | 85044085 |
SOFAR ESI-5/6.5/8/9.9/10/12K-T1
The three-phase hybrid PV inverter of the ESI-K-T1 series is an advanced solution for solar energy storage. It offers flexibility, safety, and high efficiency, enabling optimal use of generated energy and backup operation. Its design ensures easy installation and quiet performance.
Key features of the SOFAR ESI-5/6.5/8/9.9/10/12K-T1:
- Up to 3 MPPTs with AFCI and MPPT input current up to 20 A for greater power and flexibility.
- Locking connector to prevent mishandling, ensuring safety and reliability.
- Multifunction integrated EMS for a high solar self-consumption rate.
- Natural heat dissipation that eliminates additional noise, ideal for residential use.
- Support for multiple parallel units enabling easy system expansion.
- IP66 protection rating and overvoltage category AC III, DC II for durability in harsh conditions.
Who is this a good choice for?
The ESI-K-T1 series inverter is an ideal choice for homeowners and commercial applications seeking an efficient and reliable solar energy management solution. Features such as support for lithium‑ion batteries, high efficiency (up to 98.2%), and comprehensive protection make it an excellent component for PV installations with energy storage.
| Parameter | ESI-5K-T1 | ESI-6.5K-T1 | ESI-8K-T1 | ESI-9.9K-T1-A | ESI-10K-T1 | ESI-12K-T1 |
| PV Input | ||||||
| Recommended max. PV input power | 10 kWp | 13 kWp | 16 kWp | 20 kWp | 20 kWp | 24 kWp |
| Max. input voltage | 1000 Vd.c. | |||||
| Start-up voltage[1] | 200 Vd.c. | |||||
| Rated input voltage | 600 Vd.c. | |||||
| MPP voltage range | 160-950 Vd.c. | |||||
| Number of MPPTs | 3 | |||||
| Max. number of input strings per MPPT | 1/1/1 | 1/1/1 | 1/1/1 | 1/1/1 | 1/1/1 | 1/1/1 |
| Max. input current per MPPT | 20/20/20 A | 20/20/20 A | 20/20/20 A | 20/20/20 A | 20/20/20 A | 20/20/20 A |
| Max. short-circuit current per MPPT | 25/25/25 A | 25/25/25 A | 25/25/25 A | 25/25/25 A | 25/25/25 A | 25/25/25 A |
| Battery | ||||||
| Voltage range | 350-435 Vd.c. | |||||
| Number of battery inputs | 1 | |||||
| Max. charging power | 10 kW | 10 kW | 10 kW | 10 kW | 10 kW | 10 kW |
| Max. discharging power | 5 kW | 6.5 kW | 8 kW | 9.9 kW | 10 kW | 12 kW |
| Max. charging current | 25 A | 25 A | 25 A | 25 A | 25 A | 25 A |
| Max. discharging current | 15 A | 19.5 A | 24 A | 29.7 A | 30 A | 30 A |
| Battery type[2] | Lithium-ion | |||||
| BMS communication | CAN | |||||
| AC Backup Power | ||||||
| Rated output voltage | 3(N)~+PE,380/400/415 Va.c. | |||||
| Rated output power | 5 kW | 6.5 kW | 8 kW | 9.9 kW | 10 kW | 12 kW |
| Rated output current | 7.6/7.2/6.9 A | 9.9/9.4/9.0 A | 12.1/11.6/11.1 A | 15.0/14.3/13.8 A | 15.2/14.5/13.9 A | 18.2/17.4/16.7A |
| Rated output frequency | 50/60 Hz | |||||
| Rated apparent power | 5 KVA | 6.5 KVA | 8 kVA | 9.9 KVA | 10 kVA | 12 kVA |
| Max. apparent power | 5.5 KVA | 7.15 KVA | 8.8 KVA | 9.9 KVA | 11 KVA | 13.2 KVA |
| Max. output current | 8.3/8.0/7.6 A | 10.0/10.3/9.9 A | 13.3/12.8/12.2 A | 15.0/14.3/13.8 A | 16.7/15.9/15.3 A | 20.0/19.1/18.3A |
| Peak output apparent power[3] | 5 kW | 6.5 kW | 8 kW | 9.9 kW | 10 kW | 12 kW |
| THDv(@linear load) | <3% | |||||
| Switching time | Default 10 ms | |||||
| Unbalanced load | Yes, supports 100% three-phase unbalanced load | |||||
| AC Grid | ||||||
| Rated voltage | 3N++PE,380/400/415 Va.c. | |||||
| Rated frequency | 50/60 Hz | |||||
| Rated output power | 5 kW | 6.5 kW | 8 kW | 9.9 kW | 10 kW | 12 kW |
| Rated output current | 7.6/7.2/6.9 A | 9.9/9.4/9.0 A | 12.1/11.6/11.1 A | 15.0/14.3/13.8 A | 15.2/14.5/13.9 A | 18.2/17.4/16.7 A |
| Rated apparent power | 5 KVA | 6.5 KVA | 8 KVA | 9.9 KVA | 10 kVA | 12 kVA |
| Max. apparent power | 5.5 KVA | 7.15 KVA | 8.8 KVA | 9.9 KVA | 11 KVA | 13.2 KVA |
| Max. output current | 8.3/8.0/7.6 A | 10.0/10.3/9.9 A | 13.3/12.8/12.2 A | 15.0/14.3/13.8 A | 16.7/15.9/15.3 A | 20.0/19.1/18.3 A |
| Max. input current | 15.2/14.5/13.9 A | 19.8/18.8/18.1 A | 24.2/23.2/22.2 A | 30.3/29.0/27.8 A | 30.3/29.0/27.8 A | 33.3/31.9/30.6 A |
| THDi | <3% | |||||
| Power factor range | 0.8 lagging – 0.8 leading | |||||
| Efficiency | ||||||
| Max. MPPT efficiency | 99.9% | 98.0% | 98.0% | 98.0% | 98.2% | 98.2% |
| Max. efficiency | 97.0% | 97.0% | 97.0% | 97.5% | 97.5% | 97.5% |
| European efficiency | 97.6% | 97.6% | 97.6% | 97.8% | 97.8% | 97.8% |
| Max. charging/discharging current[4] | 19.8/18.8/18.1 A | 24.2/23.2/22.2 A | 30.3/29.0/27.8 A | 30.3/29.0/27.8 A | 33.3/31.9/30.6 A | 33.3/31.9/30.6 A |
| Protection | ||||||
| DC switch | Yes | |||||
| PV reverse connection protection | Yes | |||||
| Battery reverse connection protection | Yes | |||||
| Output short-circuit protection | Yes | |||||
| Output overcurrent protection | Yes | |||||
| Output overvoltage protection | Yes | |||||
| Insulation impedance detection | Yes | |||||
| Residual current detection | Yes | |||||
| Anti-islanding protection | Yes | |||||
| Surge protection [5] | Yes | |||||
| General Parameters | ||||||
| Inverter topology | Transformerless | |||||
| Protection class | Class I | |||||
| IP protection rating | IP66 | |||||
| Surge category | AC III, DC II | |||||
| Operating temperature range | -30°C to +60°C (derating above +45°C) | |||||
| Relative humidity range | 5%-95% | |||||
| Max. operating altitude | 4000 m (derating above 2000 m) | |||||
| Self-consumption in standby[6] | <10 W | |||||
| Installation method | Wall-mounted | |||||
| Dimensions (W×H×D) | 708440170 mm | |||||
| Cooling method | Natural | |||||
| Weight | 30 kg | |||||
| Communication | RS485, Option: WiFi/4G/LAN | |||||
| Display | LCD & APP | |||||
Abbreviations in brackets: [1] Minimum PV voltage to start MPPT operation. [2] Refer to the document “List of batteries compatible with SOFAR inverter models.” [3] Full battery and sunlight. [4] Maximum battery charging and discharging current. [5] According to EN/IEC 61643-11. [6] Standby losses at rated input voltage. Technical data are subject to change without notice.

