Deye 15kW 3-Phase Hybrid Inverter (Model: SUN-15K-SG05LP3-EU-SM2)

The Deye SUN-15K-SG05LP3-EU-SM2 is a robust 3-phase 15kW hybrid inverter engineered for both on-grid and off-grid energy systems. Ideal for larger homes, farms, and commercial buildings, this inverter features high current handling, low-voltage battery compatibility (48V), and parallel operation up to 10 units—making it a scalable, future-ready energy solution.

With a transformer-isolated design, dual MPPTs, and full smart control features, it provides unmatched flexibility for solar PV, battery storage, and generator integration.

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Key Features:

• 15,000W rated power output

• 48V low-voltage battery compatibility (Lithium-ion or Lead-acid)

• Max charge/discharge current: 350A

• AC coupling & DC coupling supported – ideal for new installs or retrofits

• Supports energy storage from diesel generators

• 6 configurable time periods for battery charging/discharging

• 100% unbalanced output – up to 50% of rated power per phase

• Transformer isolation for grid stability

• Arc Fault Circuit Interrupter (AFCI) ready (optional)

• Up to 10 inverters in parallel for larger system demands

• Built-in monitoring via RS485, CAN, RS232 with GPRS/WiFi/4G/Bluetooth/LAN support

• IP65 protection for outdoor installations

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Technical Specifications:

Battery Input:

• Battery Voltage Range: 40V – 60V

• Max Charging Current: 350A

• Max Discharging Current: 350A

• Recommended Battery Type: Lithium-ion or Lead-acid

• Battery Input Ports: 1

• Charging Strategy: Auto BMS adaptation (Li-ion)

Solar (PV) Input:

• Max PV Input Power: 32,000W

• PV Input Voltage Range: 160V – 650V

• Start-up Voltage: 160V

• Rated PV Voltage: 550V

• MPPT Trackers: 2 (2 strings per tracker)

• Max PV Input Current: 36A + 36A

• Max Short-Circuit Current: 54A + 54A

AC Output:

• Rated AC Power: 15,000W

• Max AC Apparent Power: 16,500VA

• Max Continuous AC Passthrough: 70A

• Surge Power (Off-Grid): 2× rated power for 10s

• Power Factor Range: 0.8 leading to 0.8 lagging

• Output Voltage: 230/400V 3-phase

• Output Frequency: 50/60Hz

• Efficiency:

  • Max: 97.6%

  • Euro: 97.0%

  • MPPT: >99%

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Safety & Protection:

• Integrated DC switch

• Reverse polarity protection

• AC overvoltage/overcurrent/short circuit protection

• Thermal shutdown

• Residual current detection (RCD)

• Insulation impedance detection

• Arc fault detection (optional)

• Surge protection: Type II (DC/AC)

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Monitoring & Smart Control:

• Monitoring Platforms: GPRS, WiFi, Bluetooth, LAN, 4G (optional)

• Comms Ports: RS485, RS232, CAN

• Parallel operation: Up to 10 units

• Application: On-grid / Off-grid / Backup / Diesel generator

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General Info:

• Dimensions: 456mm (W) × 750mm (H) × 268.5mm (D)

• Weight: 51.9kg

• Cooling: Intelligent air cooling

• Noise: <60dB

• Operating Temp: -40°C to +60°C (derating >45°C)

• IP Rating: IP65 (Indoor/Outdoor use)

• Altitude Limit: ≤3000m

• Warranty: 5 years standard (extendable to 10 years)

  FAQ

  What is the Deye 15kW Three Phase Hybrid Inverter?

  The Deye SUN-15K-SG05LP3-EU-SM2 is a 15kW three-phase hybrid inverter that combines solar power, battery storage, grid electricity and generator backup into one intelligent energy management system.

  Is the Deye 15kW inverter suitable for South Africa?

  Yes. It is well suited to South African conditions, especially where homeowners and businesses want backup power during Eskom load shedding while reducing electricity costs through solar energy.

  Can the Deye 15kW inverter work during load shedding?

  Yes. When installed with compatible batteries and correctly configured backup circuits, the inverter can continue supplying power during load shedding.

  Which batteries work with the Deye 15kW Hybrid Inverter?

  The inverter is designed for low-voltage lithium battery systems and supports communication with many leading battery manufacturers. Compatibility should always be confirmed before installation.

  Does this inverter support generators?

  Yes. Compatible generators can be connected to provide additional charging and backup during extended power outages.

  Can I monitor my inverter remotely?

  Yes. The Deye monitoring platform allows you to monitor your system from your smartphone or computer.

  Is this inverter suitable for businesses?

  Absolutely. It is ideal for offices, shops, farms, warehouses, schools and commercial buildings requiring reliable three-phase backup power.

  Can multiple Deye 15kW inverters be connected together?

  Yes. Depending on the system design and manufacturer specifications, multiple units can be installed in parallel to increase capacity.

  How much electricity can a 15kW inverter supply?

  A 15kW inverter can supply up to 15kW of continuous output power, subject to installation design, battery capacity and solar generation.

  Does the inverter reduce electricity bills?

  Yes. By prioritising solar energy and storing excess production in batteries, many users reduce their reliance on grid electricity.

  Additional South African FAQs

  These are excellent long-tail keywords that many competitors don't target.

  Is the Deye 15kW inverter compatible with Eskom?

  Yes. When installed according to local regulations and municipal requirements, the inverter can operate alongside the Eskom grid.

  Can this inverter be registered with my municipality?

  Registration requirements differ between municipalities. Your installer should ensure the installation complies with local regulations and approval processes where applicable.

  Is the Deye 15kW inverter NRS compliant?

  Compliance depends on the exact model, firmware and certification applicable to your municipality. Always verify local compliance requirements before installation.

  Can this inverter feed excess electricity back into the grid?

  Yes, where municipal regulations permit grid export and the installation has been approved for embedded generation.

  Does this inverter work without batteries?

  The operating mode depends on the system design and configuration. Many hybrid systems perform best when paired with compatible batteries.

  Can I add batteries later?

  Yes. One of the advantages of hybrid systems is the ability to expand with battery storage when required, subject to compatibility and installer guidance.

  Can I install this inverter indoors?

  The inverter's IP65 rating allows for installation in suitable indoor or outdoor locations, provided manufacturer installation guidelines are followed.

  Is professional installation required?

  Yes. Installation should be performed by a qualified solar installer familiar with South African electrical regulations and municipal requirements.

  Can this inverter power an entire house?

  The answer depends on your home's total electrical demand. Many large homes can run comfortably on a correctly designed 15kW system, but sizing should be based on an energy assessment.

  How long will my batteries last during load shedding?

  
  

  Battery runtime depends on battery capacity, household consumption and the appliances being powered.

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