Inverter – SOFAR – POWERALL ESI-10K-T1 – Hybrid – High Voltage

SKU: F231F07 EAN: 2010000035726
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
Price 1 871,32 
Gross

1 871,32 
Gross

1 871,32 
Gross

Datasheet SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Datasheet.pdf Manual SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Manual.pdf Warranty SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Warranty.pdf Certificate of compliance SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Certificate-of-compliance.pdf

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.

Datasheet SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Datasheet.pdf Manual SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Manual.pdf Warranty SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Warranty.pdf Certificate of compliance SofarSolar ESI-5K-T1-12K-T1 SofarSolar-ESI-5K-T1-12K-T1-Certificate-of-compliance.pdf

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.

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