Description Deye 20kVA/20kW 48V Three-Phase Hybrid Solar Inverter Technical Specifications General: Model: SUN-20K-SG05LP3-EU-SM2 Rated Power: 20kVA / 20kW Max Apparent Power: 22,000VA Topology: Transformer isolated Ingress Protection: IP65 Dimensions (WxHxD): 456 × 750 × 268.5 mm (excluding connectors) Weight: 51.9 kg Cooling: Intelligent air cooling Noise Level: <60 dB Operating Temperature: -40°C to +60°C (>45°C derating) Altitude: ≤3000m Battery Input: Type: Lead-acid or Lithium-ion Voltage Range: 40–60V Max Charge/Discharge Current: 350A Battery Inputs: 1 BMS Communication: Self-adaptive PV Input: Max PV Access Power: 40,000W Max PV Input Power: 32,000W Max PV Input Voltage (Voc): 800V Rated PV Voltage: 550V Start-up Voltage: 160V MPPT Voltage Range: 160–650V No. of MPPT Trackers / Strings: 2 / 4 Max PV Operating Current: 36A × 2 Max PV Short-Circuit Current: 54A × 2 AC Input/Output: Rated Active Power: 20,000W Max Apparent Power: 22,000VA Rated AC Input/Output Current: 30.4A / 29A Max AC Input/Output Current: 33.4A / 31.9A Continuous AC Passthrough (grid to load): 70A Peak Off-grid Power: 40kW (2× rated, 10s) Unbalanced Output: 100% supported (up to 50% rated power per phase) Power Factor: 0.8 leading to 0.8 lagging Rated Grid Voltage: 220/380V, 230/400V (3L+N+PE) Rated Grid Frequency: 50Hz/60Hz (45–55Hz / 55–65Hz range) Efficiency: Max Efficiency: 97.6% Euro Efficiency: 97.0% MPPT Efficiency: >99% THDi: <3% (nominal power) DC Injection Current: <0.5% In Monitoring & Communication: Monitoring Modes: Wi-Fi (standard), optional GPRS/Bluetooth/4G/LAN Interfaces: RS485 / RS232 / CAN Protection: DC reverse polarity AC overcurrent, overvoltage, short-circuit Thermal protection Anti-islanding protection Arc fault circuit interrupter (optional) Residual current detection SPD Type II (AC & DC) DC switch, insulation impedance detection, DC component monitoring Deye 20kVA/20kW 48V Three-Phase Hybrid Solar Inverter Key Features Low Voltage Battery Design: Compatible with 48V lithium-ion or lead-acid batteries, safer and widely available. Massive 350A Charge/Discharge: Supports high-capacity battery banks and faster cycling. Dual MPPT Solar Controller: Handles up to 40kWp PV input with a wide 160–650V MPPT range. Transformer Isolation: Extra safety and stable performance for sensitive loads. Unbalanced Output Support: Each phase can deliver up to 50% of rated power, perfect for uneven load conditions. Seamless Hybrid Operation: Works with solar, grid, or diesel generator input. Scalable Systems: Up to 10 units in parallel for larger commercial installations. Surge Power Handling: Delivers 2× rated power (40kW) for 10s to support motor start-up and heavy loads. Smart Energy Scheduling: 6 programmable charging/discharging periods to optimise grid/solar usage. Remote Monitoring: FREE WiFi or optional GPRS/4G/LAN for real-time system management.