Inverter – SOFAR – POWERALL ESI-10K-T1 – Hybrid – High Voltage
| 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] | |
| 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] | |
| CN | 85044085 |
SOFAR ESI-5/6.5/8/9.9/10/12K-T1
The three-phase hybrid PV inverter from 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 operation in backup mode. Its design ensures easy installation and quiet operation.
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.
- Lockable connector to prevent improper handling, providing safety and reliability.
- Multifunctional integrated EMS for high solar energy utilization.
- Natural heat dissipation that eliminates additional noise—ideal for residential use.
- Support for multiple parallel units, enabling easy system expansion.
- IP66 protection rating and surge 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 excellent option for homeowners and commercial users looking for an efficient, reliable solar energy management solution. Features like support for lithium‑ion batteries, high efficiency (up to 98.2%), and comprehensive protection make it a great 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 |
| Maximum input voltage | 1000 V DC | |||||
| Start-up voltage[1] | 200 V DC | |||||
| Rated input voltage | 600 V DC | |||||
| MPP voltage range | 160-950 V DC | |||||
| 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 V DC | |||||
| 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 V AC | |||||
| 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 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 | 20.0/19.1/18.3 A |
| 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 V AC | |||||
| 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 to 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 surge 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 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) | 708 × 440 × 170 mm | |||||
| Cooling mode | Natural | |||||
| Weight | 30 kg | |||||
| Communication | RS485, Optional: WiFi/4G/LAN | |||||
| Display | LCD & APP | |||||
Notes in brackets: [1] Minimum PV voltage for MPPT to start operating. [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 specifications are subject to change without notice.

