DEYE 20KW HYBRID INVERTER P3 LV (SUN-20K-SG05LP3-EU-SM2)

The Deye SUN-20K-SG05LP3-EU-SM2 is a high-capacity three-phase hybrid inverter designed for low-voltage (48V) battery systems. With full AC and DC coupling, support for 350A battery current, and advanced energy management features, it’s ideal for residential estates, commercial buildings, or agricultural installations requiring off-grid or grid-tied flexibility.

Technical Highlights:

Rated Output Power: 20,000W

Max. PV Input Power: 36,000W

MPPT Trackers: 2 MPPTs with 2 strings each (2/2+2)

Max. PV Input Voltage: 800V

MPPT Operating Range: 160–650V

Start-Up Voltage: 160V

Rated PV Input Voltage: 550V

Max. PV Input Current: 54A + 54A

Max. PV Short-Circuit Current: 70A

Battery Compatibility: Lithium-ion and lead-acid

Battery Voltage Range: 40–60V (48V system)

Max. Charging / Discharging Current: 350A

AC Output Voltage: 3-phase 220/380V or 230/400V

Rated AC Output Current: 30A

Max. AC Output Current: 33.4A

AC Passthrough (Grid to Load): 70A

Peak Power (Off-Grid): 2× rated power for 10 seconds

Unbalanced Output: 100% phase unbalance supported (each phase up to 50% of rated power)

Efficiency: Max 97.6% | Euro Efficiency: 97.0% | MPPT Efficiency >99%

Power Factor Adjustment: 0.8 leading to 0.8 lagging

Monitoring & Communication:

Display: Color LCD

Interfaces: RS485, RS232, CAN

Monitoring Options: Wi-Fi / GPRS / 4G / Bluetooth / LAN (optional)

Time-Based Battery Scheduling: 6 configurable charge/discharge periods

Parallel Operation: Up to 10 units supported (on-grid or off-grid)

AC Coupling: Yes – ideal for retrofitting existing systems

Protection Features:

Type II surge protection (DC & AC)

Reverse polarity, AC overcurrent, thermal, short circuit, and insulation monitoring

Residual current monitoring, AFCI (optional), anti-islanding protection

Certifications: IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, VDE-AR-N 4105, G98, G99

Physical Specs:

Dimensions: 456 × 750 × 268.5 mm

Weight: 50.6 kg

Cooling: Intelligent air cooling

Noise Level: <60 dB

IP Rating: IP65 (indoor/outdoor ready)

Operating Temperature Range: -40°C to +60°C (derates above 45°C)

Altitude Limit: 3000 m

Warranty: 5 or 10 years (depending on installation site)

Built to handle large energy loads with unbalanced three-phase support, the SUN-20K-SG05LP3-EU-SM2 delivers unmatched performance and flexibility in low-voltage hybrid solar applications.