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Official manufacturer image for the HYD-15K-LT1 family; actual supplied appearance may vary.
Sofar / Inverters
Sofar 15kW 3-Phase LV Hybrid Inverter
Manufacturer reference: HYD-15K-LT1, a 15kW three-phase low-voltage hybrid inverter with 40–60V batteries, two MPPTs, generator integration and support for 100% unbalanced loads. Confirm AJ Solar’s supplied model before ordering.
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- 30kWp recommended maximum PV array
- 2 MPPTs / 4 PV strings
- 40–60V low-voltage battery
- 300A maximum battery discharge
- 100% three-phase unbalanced load support
- IP66; type II AC / PV surge protection
Product overview
- Brand
- Sofar
- Model
- HYD-15K-LT1 · manufacturer reference
- Capacity
- 15 kW
- System type
- Hybrid
- Warranty
- Confirm with AJ Solar
- Availability
- Confirm on WhatsApp
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Specifications are taken from the manufacturer’s product information for the model shown. Your quotation will confirm the supplied configuration, compatible equipment and local warranty coverage.
Technical specifications
HYD-15K-LT1 · manufacturer reference · Select a section to view its specifications.
Manufacturer reference
- Reference model
- HYD-15K-LT1
- Reference status
- Exact AJ Solar stock model to be confirmed
- Phase
- Three phase
- Battery voltage class
- Low voltage
- Manufacturer document
- HYD-5-20K-LT1 EN-INT V1.3, 21 May 2026
- Manufacturer document region
- International
PV input
- Recommended maximum PV power
- 30 kWp
- Maximum input voltage
- 1000 V DC
- Start-up voltage
- 200 V DC
- Rated input voltage
- 600 V DC
- MPP voltage range
- 160–950 V DC
- Number of MPPTs
- 2
- Maximum input strings per MPPT
- 2 / 2
- Maximum input current
- 40 / 40 A
- Maximum short-circuit current
- 50 / 50 A
Battery
- Voltage range
- 40–60 V DC
- Number of battery input channels
- 1
- Maximum charging power
- 20 kW
- Maximum discharging power
- 15 kW
- Maximum charging current
- 350 A
- Maximum discharging current
- 300 A
- Battery type
- Lead-acid or lithium-ion
- BMS communication
- RS485 / CAN
AC backup
- Rated output voltage
- 3N~ + PE, 380 / 400 / 415 V AC
- Rated output frequency
- 50 / 60 Hz
- Rated output power
- 15 kW
- Rated output current
- 22.8 / 21.7 / 20.9 A
- Rated apparent power
- 15 kVA
- Maximum apparent power
- 16.5 kVA
- Maximum output current
- 25.1 / 23.8 / 23.0 A
- Peak output apparent power
- 2 × rated power for 10 seconds
- THDv at linear load
- <3%
- Switching time
- 4 ms default
- Asymmetric load
- Supports 100% three-phase unbalanced load
AC smart load / generator
- Rated output voltage
- 3N~ + PE, 380 / 400 / 415 V AC
- Rated output frequency
- 50 / 60 Hz
- Rated output power
- 15 kW
- Rated output current
- 22.8 / 21.7 / 20.9 A
- Rated apparent power
- 15 kVA
- Maximum apparent power
- 16.5 kVA
- Maximum output current
- 25.1 / 23.8 / 23.0 A
AC grid
- Rated voltage
- 3N~ + PE, 380 / 400 / 415 V AC
- Rated frequency
- 50 / 60 Hz
- Rated output power
- 15 kW
- Rated output current
- 22.8 / 21.7 / 20.9 A
- Rated apparent power
- 15 kVA
- Maximum apparent power
- 16.5 kVA
- Maximum output current
- 25.1 / 23.8 / 23.0 A
- Maximum input current
- 50 A
- THDi
- <3%
- Power factor range
- 0.8 lagging to 0.8 leading
Efficiency
- Maximum MPPT efficiency
- 99.9%
- Maximum efficiency
- 97.6%
- European efficiency
- 97.0%
- Maximum efficiency of charging / discharging
- 95.0%
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-island protection
- Yes
- Surge protection
- PV: Type II; AC: Type II
General parameters
- Inverter topology
- Non-isolated
- Protective class
- Class I
- IP rating
- IP66
- Overvoltage category
- AC III; DC II
- Operating temperature range
- −30°C to +60°C; derating above +45°C
- Relative humidity range
- 5–95%
- Maximum operating altitude
- 4,000 m; derating above 2,000 m
- Standby self-consumption
- <15 W
- Installation method
- Wall mounted
- Dimensions (W × H × D)
- 485 × 690 × 290 mm
- Weight
- 52 kg
- Cooling mode
- Intelligent airflow
- Communication
- RS485; Wi-Fi / 4G / LAN optional
- Display
- LCD and app
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Official manufacturer image for the HYD-6K-LS1-PRO family; actual supplied appearance may vary.Official manufacturer image for the HYD-8K-LS1-PRO family; actual supplied appearance may vary.Official manufacturer image for the HYD-10K-LS1 family; actual supplied appearance may vary.Official manufacturer image for the HYD-12K-LS1 family; actual supplied appearance may vary.