Deye 20kVA/20kW 48V Three-Phase Hybrid Solar Inverter SUN-20K-SG05LP3-EU-SM2; Built-in Dual MPPT 40/32kWp Solar Charge Controller, 160–650V MPPT Range, 800V Voc, 350A Charge/Discharge, Transformer Isolation, Pure Sine Wave Output, Wi-Fi/GPRS/Bluetooth/LAN Monitoring, IP65

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.

Deye 20kVA/20kW 48V Three-Phase Hybrid Solar Inverter

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