Smart String Inverter

The SUN2000-506KTL from Huawei represents a new benchmark in utility-scale solar, combining ultra-high power density with advanced grid-forming capabilities. As part of the FusionSolar 9.0 platform, it enables smarter, more resilient PV plants while delivering higher yields and lower system costs.

Huawei FusionSolar

Products & Solutions

The Huawei SUN2000-506KTL Smart String Inverter is designed to redefine utility-scale PV performance by combining high power density, intelligent control, and grid-forming capability within a fully digital energy ecosystem. As a flagship component of the FusionSolar 9.0 solution, it enables larger PV block sizes, reduces balance-of-system costs, and enhances overall plant efficiency. By integrating advanced diagnostics at MPPT level, smart cooling technologies, and enhanced safety features, the inverter ensures reliable operation even in harsh environments. Its grid-support functionality and optimized energy yield make it a strategic choice for developers and asset owners aiming to maximize return on investment while ensuring future-ready grid compliance.

Optimal investment

  • Higher DC voltage withstand capacity 1000 V AC solution Designed for long strings and large-scale installations Reduction in O&M costs 

Grid formation

  • Intelligent GFM technology improves the stable feed-in operation of renewable energy in all grid scenarios (SCR ≄ 1,0)

Smart maintenance and operation

  • Digitalisation technologies 50% higher efficiency in maintenance and operation The smart closed-loop control of the STS ensures reduced load without shutdown

Safe and reliable

  • Multi-dimensional safety + high reliability in the SSLD 2,0 design Intelligent hybrid cooling system and fan system
SUN2000-506KTL-H1
Max. efficiency 99,10 %
European weighted efficiency 98.8 %
Number of MPP trackers 6
Max. input current 1500 V
Warranty period 5 Years
Networktyp IT recommended
Absolute max. input voltage 1499 V
Max. output current 292 A
Communication protocol MODBUS/IEC104
Nominal voltage 1000 V
Nominal current (configurable) 265,6 A A
Remote control & monitoring Yes
IP rating IP66
Preferred Communication Interface MODBUS
Weight (including the battery pack) 130 kg
Rated AC Active Power 460 kW
Max. AC Current 292,2 A A
Maximum input voltage 1500 V
Nominal input voltage 1200 V
Max. Current branch on the battery rack side 103 A
Number of DC circuit-breakers 1
Nominal DC voltage 1201 V
Low-voltage AC Coupling No
Grid-Forming Yes
Operating DC voltage range 500 - 1500 V V
Max. DC Current 180 A
Rated AC Grid Frequency 50 Hz / 60 Hz Hz
AC Power 506 kVA
Rated Output Voltage 1000 V kV