Solis 4G 15.0kW Dual MPPT 3-Phase Grid Tie Inverter -
Solis 4G 15.0kW Dual MPPT 3-Phase Grid Tie Inverter -

Solis S5 15.0kW Dual MPPT 3-Phase Grid Tie Inverter

Solis S5 15.0kW Dual MPPT 3-Phase Grid Tie Inverter

Regular price R 32,034.00 incl. VAT Sale price R 25,627.00 incl. VATSave R 6,407
R 22,28435 excl. VAT
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Product Features

  • Max. efficiency of 98.5%.
  • Type-II over-voltage surge protection for both DC and AC.
  • Wide voltage range - Ultra low start-up voltage of 180V and max PV input voltage of 1100V.
  • 32A PV string input x 2.
  • Maximum AC output power of 22.5kW.
  • Max PV DC Power of 15kW.
  • Integrated AFCI (DC arc-fault circuit protection).
  • IP66 Rated.
  • DC reverse-polarity protection.
  • 5-year standard warranty.
  • SA: NRS 097 certified and COCT Certified
  • DC connection: MC4.
  • AC connection: Terminal connectors.
  • Display: LCD.
  • Communication connections: RS485, Optional: Wi-Fi, GPR

Technical Data Unit Information

  • Model: S5-GR3P15K.
  • Energy Source: PV.

Input Side (DC)

  • Max. DC input power(kW): 22.5.
  • Max. DC input voltage(V): 1100.
  • Rated Voltage: 600V.
  • Start-up voltage(V): 180.
  • MPPT voltage range(V): 160-1000 V.
  • Max. input current(A): 32A+32A.
  • MPPT number/Max input strings number: 2/2.

Output Side (AC)

  • Rated output power(kW): 15.
  • Max. apparent output power(kVA): 16.5.
  • Max. output power(kW): 16.5.
  • Rated grid voltage(V): 3/N/PE, 220 V / 380 V, 230 V / 400 V.
  • Rated grid frequency (Hz): 50/60.
  • Operation phase: Three.
  • Rated grid output current(A): 22.8 A / 21.7 A.
  • Max. output current(A): 23.8A.
  • Power Factor (at rated output power): 0.8 leading...0.8 lagging.
  • THDi (at rated output power): <1.5%.


  • Max. efficiency: 98.5%.
  • EU efficiency: 98.1%.


  • DC reverse-polarity protection: Yes.
  • Short circuit protection: Yes.
  • Output over current protection: Yes.
  • Output over voltage protection: Yes.
  • Insulation resistance monitoring: Yes.
  • Residual current detection: Yes.
  • Surge protection: Yes.
  • Anti-Islanding protection: Yes.
  • Temperature protection: Yes.

General Data

  • Dimensions(mm): 310(W)*63(H)*219(D).
  • Weight(kg): 18.9.
  • Topology: Transformerless.
  • Self-consumption (night): <1W(Night).
  • Operating ambient temperature range: -25~60C.
  • Ingress protection: IP65.
  • Noise emission{typical}: <30dBA.
  • Cooling concept: Natural convection.
  • Max. operation altitude: 4000m.
  • Designed lifetime: >20years.
  • Grid connection standard: EN50438 G59/3 AS4777 VDE0126-1-1 IEC61727.
  • Relative humidity: 0~100%.
  • Safety/EMC standard: IEC62109-1/-2 AS3100 EN61000-6-1 EN61000-6-3.


All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

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