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Solis 4G 40.0kW Quad MPPT 3-Phase Grid Tie Inverter

The Solis Quad MPPT 3 Phase Inverter range is designed specifically to meet the requirements of a simple, low cost installation where a quad MPPT inverter is required. As with all Solis inverters the plug in Solis WIFI stick providing a reliable, low cost monitoring solution for installers and end users.

  • Over 98.4% Max. efficiency.
  • 200V-800V input voltage range.
  • Four MPPT design with precise MPPT algorithm.
  • Compact and light design, easy installation.
  • IP65, visually pleasing for domestic environment.
  • Optional RS 485, Wi-Fi/GPRS interface (Wi-Fi and monitoring app available).
  • Numerous protection functions.

Please download full specifications sheet here.

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Regular Price: R 51,500.00

Special Price Excl. Tax: R 40,048.70 Incl. Tax: R 46,056.01


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Product Description


Technical Data
Unit Information

  • Model: Solis-40K.
  • Energy Source: PV.

Input Side (DC)

  • Max. DC input power(kW): 48.
  • Max. DC input voltage(V): 1100.
  • Start-up voltage(V): 200.
  • MPPT voltage range(V): 200-1000.
  • Max. input current(A): 22A+22A+22A+22A.
  • MPPT number/Max input strings number: 4/A:2; B:2; C:2; D:2.

Output Side (AC)

  • Rated output power(kW): 40.
  • Max. apparent output power(kVA): 44.
  • Max. output power(kW): 44.
  • Rated grid voltage(V): 400.
  • Rated grid frequency (Hz): 50/60.
  • Operation phase: Three.
  • Rated grid output current(A): 58.
  • Max. output current(A): 66.9.
  • Power Factor (at rated output power): 0.8 ... 0.8.
  • THDi (at rated output power): <3%.
  • DC injection current(mA): <0.5In.
  • Grid frequency range (Hz): 47-52 or 57-62.


  • Max. efficiency: 98.8%.
  • EU efficiency: 98.4%.
  • MPPT efficiency: >99.9%.


  • 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.
  • Islanding protection: Yes.
  • Temperature protection: Yes.
  • Integrated DC switch: Optional.

General Data

  • Dimensions(mm): 530(W)*700(H)*356(D).
  • Weight(kg): 61.
  • Topology: Transformerless.
  • Self-consumption (night): <1W(Night).
  • Operating ambient temperature range: -25~60C.
  • Ingress protection: IP65.
  • Noise emission{typical}: <30dBA.
  • Cooling concept: Inteligent redundant fan cooling.
  • 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.


  • DC connection: MC4.
  • AC connection: Terminal connectors.
  • Display: LCD
  • Communication connections: 4 pins RS485 connector, 2 RJ45 Connector.
  • Warranty: 5 years standard (extend to 10 years).

Additional Information

Additional Information

Disclaimer Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.
Guarantee/ Warranty 5 year product warranty
Inverter Wattage 40000W


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