20kW Deye SUN-20K-SG05LP3-EU-SM2 Three-Phase Low-Frequency Hybrid Solar Inverter – 48V

The 20kW Deye SUN-20K-SG05LP3-EU-SM2 is built for large three-phase solar systems carrying substantial electrical loads.

Its 20kW output gives it the capacity required for larger businesses, workshops, farms, commercial buildings and high-demand properties.

The three-phase architecture makes this model particularly suited to installations with three-phase distribution and equipment.

It uses a 48V low-voltage battery platform, allowing substantial compatible battery storage to be incorporated into the system.

Its hybrid architecture manages solar PV, battery storage and grid power, providing a complete platform for solar self-consumption, energy storage and backup power.

Technical Specifications

Key Features

• Powerful 20kW output
• Three-phase power configuration
• Low-frequency architecture
• 48V low-voltage battery system
• Built for substantial three-phase loads
• Hybrid solar + battery + grid operation
• Suitable for large compatible lithium battery banks
• Supports solar self-consumption
• Designed for high-load backup systems
• Suitable for larger solar PV installations
• Strong option for workshops and commercial premises
• Suitable for demanding farm and estate power systems

Applications / Use Cases

🏭 Workshops – suitable for demanding three-phase equipment and general loads
🏢 Commercial Buildings – solar generation with substantial battery storage
🌾 Farms & Estates – supports higher agricultural energy requirements
🏨 Hotels & Lodges – suitable for large solar-plus-backup systems
🏪 Businesses – reduces dependence on grid electricity through solar and storage
🔋 Large Battery Systems – suitable for correctly sized 48V storage banks
⚡ Heavy-Load Backup – supports substantial selected loads during outages
☀️ Large Solar Systems – suitable for high-capacity PV installations

System Configuration Notes

• Use a correctly sized 48V battery bank
• Confirm battery BMS compatibility
• Correctly size the solar PV array
• Balance loads across all three phases
• Size batteries according to required backup duration
• Use correctly rated DC battery cables
• Install suitable AC and DC protection
• Provide PV isolators and surge protection
• Ensure correct system earthing
• Professional three-phase installation is recommended

Mini FAQ

What is the inverter capacity?
It is rated at 20kW.

Is it three-phase?
Yes. It is designed for three-phase electrical systems.

What battery voltage does it use?
It uses a 48V-class low-voltage battery system.

Is it suitable for heavy loads?
Yes. Its 20kW three-phase capacity makes it particularly suitable for high-demand installations.

Can it work with lithium batteries?
Yes, with compatible 48V-class lithium battery systems and correct BMS configuration.

Can it provide backup power?
Yes. Backup capability depends on the battery capacity, connected loads and final installation configuration.

Is it suitable for workshops?
Yes. Its three-phase architecture makes it suitable for compatible workshop equipment and substantial general electrical loads.

Can it be used for commercial solar systems?
Yes. Commercial and high-demand three-phase installations are key applications for this model.

Why Buy from Macire

• Genuine Deye SUN-20K-SG05LP3-EU-SM2
• Powerful 20kW three-phase capacity
• 48V low-voltage battery platform
• Built for demanding electrical loads
• Solar + battery + grid energy management
• Suitable for substantial energy storage
• Professional solar and battery sizing
• Three-phase installation support
• Nationwide delivery
• Reliable after-sales support

Visit us: Kenafric Business Park, Unit 5, Nairobi, Kenya
WhatsApp: 0750 006 600
Call: 0713 520 969 / 0718 762 530
Website: Macire