- Model: SUN-18K-G04-LV, SUN-20K-G04-LV, SUN-21K-G04-LV
- Max. PV Input Power (kW): 23.4, 26, 27.3
- Max. PV Input Voltage (V): 800
- Start-up Voltage (V): 250
- MPPT Voltage Range (V): 200-700
- Rated PV Input Voltage (V): 350
- Max. Operating PV Input Current (A): 40+40
- Max. Input Short Circuit Current (A): 60+60
- Rated AC Output Active Power (kW): 18, 20, 21
- Max. AC Output Apparent Power (kVA): 18, 20, 21
- Rated AC Output Current (A): 47.3/45.2, 52.5/50.2, 55.2/52.7
- Max. AC Output Current (A): 47.3/45.2, 52.5/50.2, 55.2/52.7
- Rated Output Voltage/Range (V): 127V/220V, 133V/230V 0.85UN-1.1UN
- Total Current Harmonic Distortion THDi: <3%
- Rated Output Grid Frequency/Range(Hz): 0.8 leading to 0.8 lagging
- Max. Efficiency: 98.6%
- MPPT Efficiency: >99%
- Operating Temperature Range (°C): -25 to +65 ℃ >45℃ Derating
- Permissible Ambient Humidity: 0-100%
- Permissible Altitude (m): 2000m
- Ingress Protection(IP) Rating: IP 65
- Cabinet Size (WxHxD mm): 362×577×215
- Weight (kg): 23
- Warranty: 5 Years
The Deye SUN-18/20/21K-G04-LV is a high-performance, reliable, and versatile three-phase string inverter suitable for various residential and commercial solar installations. Its advanced features, high efficiency, and comprehensive protection features make it an ideal choice for maximizing solar energy production and minimizing reliance on the grid.





