top of page

HUAWEI SUN2000-12 KTL smart string inverter ideal for commercial application



  • 4 strings intelligent monitoring and fast trouble-shooting
  • RS485 and USB ports for communication and data management
  • Local graphic LCD display and remote monitorig


  • Max. efficiency 98.5%
  • European efficiency 98.0%
  • 2 MPPTs per unit, effectively reducing string mismatch


  • DC switch integrated, safe and convenient for maintenance
  • Residual Current Monitoring Unit (RCMU) integrated
  • Fuse free design


  • Natural cooling technology
  • Protection degree of IP65
  • Type II surge arresters for both DC and AC

Max. Efficiency 98.5% 98.5%
European Efficiency 98.0% 98.0%

Max. Input Voltage 1,000 V
Max. Current per MPPT 18 A
Max. Short Circuit Current per MPPT 25 A
Start Voltage 250 V
MPPT Operating Voltage Range 200 V ~ 950 V
Rated Input Voltage 620 V
Number of Inputs 4
Number of MPP Trackers 2

Rated AC Active Power  12,000 W
Max. AC Apparent Power  13,200 VA
Max. AC Active Power (cosφ=1) 13,200 W
Rated Output Voltage 2 220 V / 380 V, 230 V / 400 V, 3W+N+PE
Rated AC Grid Frequency 5 50 Hz / 60 Hz
Rated Output Current 1 18.3 A @ 380 Vac / 17.4 A @ 400 Vac
Max. Output Current 20 A
Adjustable Power Factor Range 0.8 LG ... 0.8 LD 
Max. Total Harmonic Distortion < 3% 


Input-side Disconnection Device Yes
Anti-islanding Protection Yes
AC Overcurrent Protection Yes
DC Reverse-polarity Protection Yes
PV-array String Fault Monitoring Yes
DC Surge Arrester Type II
AC Surge Arrester Type II
DC Insulation Resistance Detection Yes
Residual Current Monitoring Unit Yes
Display Graphic LCD
RS485 Yes
Dimensions (W x H x D) 520 x 610 x 266 mm 
Weight (with mounting plate) 42 kg (92.6 lb.)
Operation Temperature Range -25°C ~ 60°C (-13°F ~ 140°F)
Cooling Method Natural Convection
Max. Operating Altitude 3,000 m (9,842 ft.)
Relative Humidity 0 ~ 100%
DC Connector Amphenol Helios H4
AC Connector Amphenol C16/3
Protection Degree IP65
Topology Transformerless

Huawei 12kW mrežni pretvarač

    bottom of page