Inverter – SOFAR – POWERALL ESI-10K-T1 – hybrid – HV
| Manufacturer | |
|---|---|
| Rated power | |
| Power supply | |
| Hybrid device | |
| Off-grid mode | |
| MPPT | |
| Warranty | |
| Net width | |
| Net depth | |
| CAN | |
| RS485 | |
| SPD Type II | |
| MPPT voltage range | |
| CN | 85044085 |
Gross
Product details
| Manufacturer | |
|---|---|
| Rated power | |
| Power supply | |
| Hybrid device | |
| Off-grid mode | |
| MPPT | |
| Warranty | |
| Net width | |
| Net depth | |
| CAN | |
| RS485 | |
| SPD Type II | |
| MPPT voltage range | |
| 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.
- Locking connector to prevent improper handling, ensuring safety and reliability.
- Multifunctional integrated EMS (Energy Management System) for a high solar utilization rate.
- Natural (passive) heat dissipation that eliminates additional noise, ideal for residential use.
- Support for multiple units in parallel, enabling easy system expansion.
- IP66 protection rating and surge category AC III, DC II for resilience in harsh conditions.
Who is this a good choice for?
The ESI-K-T1 series inverter is an excellent choice for homeowners and commercial applications looking for an efficient and reliable solar energy management solution. Features like support for lithium-ion batteries, high efficiency (up to 98.2%), and comprehensive protection make it a strong component for PV systems 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 V d.c. | |||||
| Start-up voltage [1] | 200 V d.c. | |||||
| Rated input voltage | 600 V d.c. | |||||
| MPP voltage range | 160-950 V d.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 V d.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 V a.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 | 18.2/17.4/16.7 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 (at linear load) | <3% | |||||
| Transfer time | Default 10 ms | |||||
| Unbalanced load | Yes, supports 100% three-phase unbalanced load | |||||
| AC Grid | ||||||
| Rated voltage | 3N++PE, 380/400/415 V a.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 | |||||
| Protection against reverse PV connection | Yes | |||||
| Protection against reverse battery connection | Yes | |||||
| Output short-circuit protection | Yes | |||||
| Output overcurrent protection | Yes | |||||
| Over-voltage protection on output | Yes | |||||
| Insulation impedance detection | Yes | |||||
| Residual current detection | Yes | |||||
| Anti-islanding protection | Yes | |||||
| Surge protection [5] | Yes | |||||
| General Parameters | ||||||
| Inverter topology | Non-isolated | |||||
| 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) | |||||
| Standby power consumption [6] | <10 W | |||||
| Installation method | Wall-mounted | |||||
| Dimensions (W×H×D) | 708×440×170 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] Fully charged battery and full sunlight. [4] Maximum charge and discharge capability of the battery. [5] According to the EN/IEC 61643-11 standard. [6] Standby losses at rated input voltage. Technical specifications are subject to change without notice.

