KSTAR BluE-20KT-M1 String Grid Tied PV Inverter 5KW 3/N/PE AC400V 50

The KSTAR Blue-20KT-M1 is a high-capacity, three-phase grid-tied inverter designed to maximize solar energy output for large residential and commercial installations. With 20 kW of nominal power, advanced MPPT technology, and robust environmental protection, this inverter is engineered for efficiency and durability. It supports remote monitoring for seamless energy management.

  • Nominal AC Output Power: Supplies up to 20 kW, ideal for larger energy demands in residential and commercial setups.
  • Superior Efficiency: Achieves a maximum efficiency of 98.6%, ensuring optimal energy conversion.
  • Advanced Dual MPPT: Features two MPPT trackers with a wide voltage range (140 V – 1000 V) for efficient solar energy harvesting.
  • Rugged and Reliable: IP66 protection and a cooling system suited for various climates, operating from -25°C to +60°C.
  • Smart Monitoring: Equipped with RS485, Wi-Fi, and optional 4G connectivity for remote monitoring and real-time energy tracking.

Product description

Technical Details

BluE-5KT-M1

Solar Energy Input

  • Maximum DC Voltage: 1100 V
  • Nominal Voltage: 620 V
  • Start Voltage: 180 V
  • MPPT Voltage Range: 140 V – 1000 V
  • Number of MPPT Trackers: 2
  • Strings per MPPT Tracker: 1
  • Maximum Input Current per MPPT: 15 A
  • Maximum Short-circuit Current per MPPT: 20 A

AC Output (Grid)

  • Nominal AC Output Power: 5 kW
  • Maximum AC Apparent Power: 5500 VA
  • Nominal AC Voltage: 400 V 3L+N
  • Output Frequency: 50/60 Hz ±5 Hz
  • Maximum Output Current: 9.6 A
  • Power Factor (cosΦ): 0.8 leading - 0.8 lagging
  • Total Harmonic Distortion (THD): <3%

Efficiency

  • Maximum Efficiency: 98.4%
  • European Efficiency: 97.5%

Protection

  • Anti-islanding Protection: Yes
  • Output Overcurrent Protection: Yes
  • DC Reverse Polarity Protection: Yes
  • String Fault Detection: Yes
  • Insulation Detection: Yes
  • AC/DC Surge Protection: DC Type II, AC Type III

Application Environment

  • Operating Temperature: -25°C to +60°C
  • Maximum Operating Altitude: 4000 m
  • Relative Humidity: 0 – 100% (No condensation)
  • Cooling Type: Natural cooling
  • Protection Degree: IP66

System Parameters

  • Dimensions (W × H × D): 380 x 483 x 161 mm
  • Weight: <17 kg
  • Communication Methods: RS485, Wi-Fi, optional 4G
  • Display: LCD

Certifications and Standards

  • Safety: EN/IEC 62109-1/2, IEC/EN 61000-6-2, IEC/EN 61000-6-4, IEC 61683, IEC 60068, IEC 60529, IEC 62116, IEC 61727, EN 50549-1, AS 4777.2, VDE-AR-N-4105, VDE 0126-1-1, CEI 0-21, G98, G99, C10/11, NB/T 32004-2018, GB/T 19964-2012

BluE-20KT-M1

Solar Energy Input

  • Maximum DC Voltage: 1100 V
  • Nominal Voltage: 620 V
  • Start Voltage: 180 V
  • MPPT Voltage Range: 140 V – 1000 V
  • Number of MPPT Trackers: 2
  • Strings per MPPT Tracker: 2
  • Maximum Input Current per MPPT: 30 A
  • Maximum Short-circuit Current per MPPT: 40 A

AC Output (Grid)

  • Nominal AC Output Power: 20 kW
  • Maximum AC Apparent Power: 22 kVA
  • Nominal AC Voltage: 400 V 3L+N
  • Output Frequency: 50/60 Hz ±5 Hz
  • Maximum Output Current: 31.9 A
  • Power Factor (cosΦ): 0.8 leading - 0.8 lagging
  • Total Harmonic Distortion (THD): <3%

Efficiency

  • Maximum Efficiency: 98.6%
  • European Efficiency: 98.3%

Protection

  • Anti-islanding Protection: Yes
  • Output Overcurrent Protection: Yes
  • DC Reverse Polarity Protection: Yes
  • String Fault Detection: Yes
  • Insulation Detection: Yes
  • AC/DC Surge Protection: DC Type II, AC Type III

Application Environment

  • Operating Temperature: -25°C to +60°C
  • Maximum Operating Altitude: 4000 m
  • Relative Humidity: 0 – 100% (No condensation)
  • Cooling Type: Fan cooling
  • Protection Degree: IP66

System Parameters

  • Dimensions (W × H × D): 380 x 483 x 193 mm
  • Weight: 25 kg
  • Communication Methods: RS485, Wi-Fi, optional 4G
  • Display: LCD

Certifications and Standards

  • Safety: EN/IEC 62109-1/2, IEC/EN 61000-6-2, IEC/EN 61000-6-4, IEC 61683, IEC 60068, IEC 60529, IEC 62116, IEC 61727, EN 50549-1, AS 4777.2, VDE-AR-N-4105, VDE 0126-1-1, CEI 0-21, G98, G99, C10/11, NB/T 32004-2018, GB/T 19964-2012

BluE-25KT-M1

Solar Energy Input

  • Maximum DC Voltage: 1100 V
  • Nominal Voltage: 620 V
  • Start Voltage: 180 V
  • MPPT Voltage Range: 140 V – 1000 V
  • Number of MPPT Trackers: 2
  • Strings per MPPT Tracker: 2
  • Maximum Input Current per MPPT: 30 A
  • Maximum Short-circuit Current per MPPT: 40 A

AC Output (Grid)

  • Nominal AC Output Power: 25 kW
  • Maximum AC Apparent Power: 27.5 kVA
  • Nominal AC Voltage: 400 V 3L+N
  • Output Frequency: 50/60 Hz ±5 Hz
  • Maximum Output Current: 39.9 A
  • Power Factor (cosΦ): 0.8 leading - 0.8 lagging
  • Total Harmonic Distortion (THD): <3%

Efficiency

  • Maximum Efficiency: 98.6%
  • European Efficiency: 98.3%

Protection

  • Anti-islanding Protection: Yes
  • Output Overcurrent Protection: Yes
  • DC Reverse Polarity Protection: Yes
  • String Fault Detection: Yes
  • Insulation Detection: Yes
  • AC/DC Surge Protection: DC Type II, AC Type III

Application Environment

  • Operating Temperature: -25°C to +60°C
  • Maximum Operating Altitude: 4000 m
  • Relative Humidity: 0 – 100% (No condensation)
  • Cooling Type: Fan cooling
  • Protection Degree: IP66

System Parameters

  • Dimensions (W × H × D): 380 x 483 x 193 mm
  • Weight: 25 kg
  • Communication Methods: RS485, Wi-Fi, optional 4G
  • Display: LCD

Certifications and Standards

  • Safety: EN/IEC 62109-1/2, IEC/EN 61000-6-2, IEC/EN 61000-6-4, IEC 61683, IEC 60068, IEC 60529, IEC 62116, IEC 61727, EN 50549-1, AS 4777.2, VDE-AR-N-4105, VDE 0126-1-1, CEI 0-21, G98, G99, C10/11, NB/T 32004-2018, GB/T 19964-2012

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KSTAR BluE-20KT-M1 String Grid Tied PV Inverter 5KW 3/N/PE AC400V 50