Description
Feature Specification
Model Growatt MAX 50KTL3-LV
Inverter Type Three-phase on-grid inverter
Max Recommended PV Input (STC) 75 000 W
Max DC Input Voltage 1 100 V
Start Voltage 250 V
Nominal DC Voltage 585 V
MPPT Voltage Range 200 V – 1 000 V
Number of MPPT Trackers 6 (each with 2 strings)
Max Input Current per MPPT ~25–26 A
Max Short-Circuit Current per MPPT ~32 A
AC Nominal Output Power 50 000 W
Max AC Apparent Power 55 500 VA
Max Output Current ~80.5 A
AC Nominal Voltage (Grid) 230 V / 400 V (range: 220–440 V)
Grid Frequency 50 Hz / 60 Hz (range: 45–65 Hz)
Max Efficiency ~98.8%
European Efficiency ~98.4%
MPPT Efficiency ~99.9%
Power Factor Range 0.8 leading to 0.8 lagging
THDi (Distortion) < 3 %
Protection Features DC/AC Type II SPD, DC reverse polarity, DC switch, ground-fault, AC short-circuit, anti-islanding, string monitoring; Anti-PID and AFCI optional
Monitoring & Connectivity OLED/LED display plus Wi-Fi, app; interfaces: RS-485, USB (Wi-Fi/GPRS/4G optional)
Self-Consumption (Night) < 1–25 W (AC supply dependent)
Cooling Method Smart air cooling (fan)
Topology Transformerless
Protection Rating IP65
Operating Temperature −25 °C to +60 °C (derating above +45 °C)
Noise Emission ≤ 55 dB(A)
Dimensions (W × H × D) 860 × 600 × 300 mm
Weight ~82 kg
Altitude Rating Up to 4 000 m
Humidity Tolerance 0-100 % relative humidity
Warranty Standard 5 years (extendable)
Key Highlights High efficiency, 6 MPPT flexibility, smart diagnosis and monitoring, robust IP65 protection

Input data (DC)

  • Maximum recommended PV output: 75000W
  • Starting voltage: 250V
  • Nominal voltage: 585.00V
  • MPPT voltage range: 200-1000
  • Number of MPPTs: 6
  • PV String / MPPT: 2
  • Max input current / MPPT: 26
  • Max. short-circuit current / MPPT: 32

Battery data (DC)

  • Battery voltage range: 0V

Output data (AC)

  • Adjustable power factor: 0.8 capacitive…0.8 inductive
  • THDi: <3%
  • Max. output current: 80,50A
  • Nominal AC voltage (range): 220V/380V, 230V/400V (340-440V)
  • AC grid frequency (range): 50/60 Hz (45-55Hz/55-65 Hz)

Efficincy

  • European efficiency: 98,40%
  • Maximum efficiency: 98.80%
  • MPPT efficiency: 99.90%

Size

  • Height: 600.00mm
  • Depth: 300.00mm
  • Width: 860.00mm
  • Weight: 82.00kg

General

  • Relative humidity: 0-100%
  • Cooling: smart air cooling
  • Topology: transformerless
  • Altitude: 4000m
  • Nighttime power consumption: <1W
  • Operating temperature: -25-+60°C
  • DC connection: H4/MC4(optional)
  • AC connection: cable gland + OT terminal
  • Display: LED/WIFI+APP
  • Warranty: 5Year
  • Warranty extension: 10Year

Communication

  • RS485: yes
  • LAN: optional
  • USB: yes
  • WIFI: optional
  • GPRS: optional
  • RF: optional

Protection devices

  • DC reverse polarity protection: yes
  • DC switch: yes
  • DC surge protection: Type II
  • AC surge protection: Type II
  • Insulation resistance monitoring: yes
  • AC short-circuit protection: yes
  • Ground fault monitoring: yes
  • Grid monitoring: yes
  • Anti-islanding protection: yes
  • Residual-current monitoring unit: yes
  • String error monitoring: yes
  • AFCI protection: yes
Additional information
Weight82 kg
Dimensions86 × 60 × 30 cm
BrandGrowatt
Reviews (12)

12 reviews for Inverter Growatt MAX 50KTL3

  1. Sarah Williams (verified owner)

    Pure sine wave is clean — runs sensitive electronics (fridge, computer, UPS) without any glitches.

  2. Adrian Pop (verified owner)

    Quiet operation, good display, intuitive Bluetooth app. Highly recommend for any serious off-grid build.

  3. Yusuf Ibrahim (verified owner)

    Pure sine wave is clean — runs sensitive electronics (fridge, computer, UPS) without any glitches.

  4. Nina Petrova (verified owner)

    No fan noise unless under heavy load. The Cerbo GX integration gives me full remote monitoring from my phone.

  5. Noura Al-Nasser

    Solid unit. Efficiency at low loads could be better but in normal operation it performs well.

  6. Omar Abdullah (verified owner)

    Programming the VE.Bus took some learning but the documentation is excellent. Now runs flawlessly.

  7. Maria Rodriguez (verified owner)

    Powering my entire villa from this. PowerAssist feature is genius — never trips the utility breaker.

  8. Tariq Mahmood (verified owner)

    Pure sine wave is clean — runs sensitive electronics (fridge, computer, UPS) without any glitches.

  9. Pavel Nowak (verified owner)

    Programming the VE.Bus took some learning but the documentation is excellent. Now runs flawlessly.

  10. Olivia Garcia (verified owner)

    No fan noise unless under heavy load. The Cerbo GX integration gives me full remote monitoring from my phone.

  11. Isabella Costa

    No fan noise unless under heavy load. The Cerbo GX integration gives me full remote monitoring from my phone.

  12. Charlotte Davies

    MultiPlus is a beast. Handles surge perfectly when AC starts up. Bluetooth setup with VictronConnect is brilliant.

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About brand
Growatt: Leading Global Supplier of Smart Energy Solutions Growatt is a global leader that offers comprehensive solar energy solutions. Growatt specializes in the research and development and manufacturing of a wide range of products. These products include PV inverters, energy storage systems (ESS), smart energy management solutions, and EV chargers. In Europe& Middle East, Ecosolaris is a key partner and authorized distributor of Growatt solutions. This partnership helps homeowners and companies optimize energy consumption and accelerate the transition to sustainable energy sources through Growatt products. Growatt products are known for high efficiency, reliability, and robust service support. They are widely used in residential, commercial, and utility-scale projects. Growatt helps homeowners and businesses optimize energy use and speed up the shift to sustainable energy.
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