Product Introduction
Our 15-30kW three-phase hybrid solar inverter is a versatile device that can adjust the output power on-site. One machine can meet the industrial and commercial project requirements ranging from 15kW to 30kW.Unlike traditional fixed-power models, users can adjust the power continuously within the 15-30kW range through the LCD panel or App, adapting to changes in load during different seasons or future expansion needs.This 15-30kW three-phase hybrid solar inverter is equipped with 3 MPPT channels, supports a 200%-300% DC over-configuration, and is compatible with 200-800V high-voltage battery systems.
Key selling points
Multi-project for a single model:
System integrators can purchase the same model in bulk for different projects of 15kW, 20kW, 25kW, and 30kW, thereby reducing SKU and spare parts costs.
Intelligent power limit function:
When the transformer capacity is insufficient, the output power can be limited by software (for example, limited to 22kW) to avoid the high cost of applying for expansion.
Ready for future expansion:
Reserve CAN/RS485 parallel interface, which can be used to parallel the second unit to expand to a 60kW system in the future, without the need to replace the main unit.

Installation and Maintenance
Easy installation process
Low maintenance cost
Support for remote monitoring and diagnosis
Applicable Power Scenario Comparison Table Typical scenarios and recommended power settings:
Small office + air conditioning: 15kW
Auto repair shop + charging station: 20kW
Medium-sized farm (three-phase water pump + feed machine): 25kW
Small factory (10 machine tools): 30kW
Technical Data | GW15K-ET GW20K-ET GW25K-ET GW29.9K-ET |
Battery Input Data |
Battery Type | Li-Ion |
Nominal Battery Voltage (V) | 500 |
Battery voltage range (V) | 200 ~ 800 |
Start-up Voltage (V) | 200 |
Number of Battery Input | 1 1 2 2 |
Max. Continuous Charging Current (A) | 50 50 50 × 2 50 × 2 |
Max. Continuous Discharging Current (A) | 50 50 50 × 2 50 × 2 |
Max. Charging Power (W) | 15000 20000 25000 30000 |
Max. Discharging Power (W) | 15000 20000 25000 30000 |
PV String Input Data |
| Max. Input Power (W)*1 | 22500 30000 37500 45000 |
| Max. Input Voltage (V)*2 | 1000 |
| MPPT Operating Voltage Range (V) | 200 ~ 850 |
| Start-up Voltage (V) | 200 |
Nominal Input Voltage (V) | 620 |
Max. Input Current per MPPT (A) | 30 |
Max. Short Circuit Current per MPPT (A) | 38 |
| Number of MPP Trackers | 2 2 3 3 |
| Number of Strings per MPPT | 2 / 2 2 / 2 2 / 2 / 2 2 / 2 / 2 |
Nominal Output Power (W) | 15000 20000 25000 29900 |
Nominal Apparent Power Output to Utility Grid (VA)*3*10 | 15000 20000 25000 29900 |
Max. Apparent Power Output to Utility Grid (VA)*8 | 16500 22000 27500 29900 |
Max. Apparent Power from Utility Grid (VA) | 15000 20000 25000 30000 |
Nominal Output Voltage (V) | 380 / 400, 3L / N / PE |
Output Voltage Range (V)*4 | 0 ~ 300 |
Nominal AC Grid Frequency (Hz) | 50 / 60 |
AC Grid Frequency Range (Hz) | 45 ~ 65 |
Max. AC Current Output to Utility Grid(A)*7 | 23.9 31.9 39.9 43.3 |
Max. AC Current From Utility Grid (A)*9 | 22.7 30.3 37.9 45.3 |
Power Factor | ~1 (Adjustable from 0.8 leading to 0.8 lagging) |
Max. Total Harmonic Distortion | ≤3.05% |
AC Output Data (Back-up) |
| Back-up Nominal Apparent Power (VA) | 15000 20000 25000 29900 |
Max. Output Apparent Power without Grid (VA)*5 | 15000 (18000@60s, 24000@3s) 20000 (24000@60s, 32000@3s) 25000 (30000@60s) 30000 (36000@60s) |
Max. Output Apparent Power (VA) | 15000 20000 25000 29900 |
Max. Output Current (A) | 22.7 (27.3@60s, 36.4@3s) 30.3 (36.4@60s, 48.5@3s) 37.9 (45.5@60s) 45.5 (54.5@60s) |
Nominal Output Voltage (V) | 380 / 400 |
Nominal Output Frequency (Hz) | 50 / 60 |
Output THDv (@Linear Load) | < 3% |
Efficiency |
Max. Efficiency | 98.0% |
European Efficiency | 97.5% |
Max. Battery to AC Efficiency | 97.5% |
MPPT Efficiency | 99.9% |
General Data |
Operating Temperature Range (°C) | -35 ~ +60 |
Relative Humidity | 0 ~ 95% |
Max. Operating Altitude (m) | 4000 |
Cooling Method | Smart Fan Cooling |
User Interface | LED, WLAN + APP |
Communication with BMS | RS485 / CAN |
Communication with Meter | RS485 |
Communication with Portal | WiFi + LAN + Bluetooth |
Weight (kg) | 48 48 54 54 |
Dimension (W × H × D mm) | 520 × 660 × 220 |
Topology | Non-isolated |
Self-consumption at Night(W)*6 | <15 |
Ingress Protection Rating | IP66 |
Mounting Method | Wall Mounted |




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