Description
HKT Solar Energy UI SERIES 6.2KW Pure Sine Wave Solar Inverter
The HKT UI SERIES 6.2KW is a high-performance pure sine wave solar inverter designed for efficient and reliable off-grid and hybrid solar power solutions. With a powerful 6500W output and 120A MPPT solar charger, it ensures maximum energy utilization. This inverter supports high PV input voltage and can operate without a battery, making it ideal for various applications.
Key Features
- 6500W Pure Sine Wave Output – Delivers clean and stable electricity with a 1.0 power factor, ensuring compatibility with sensitive appliances.
- Built-in 120A MPPT Solar Charger – Maximizes solar energy harvesting, improving system efficiency and battery performance.
- Wide PV Input Voltage (60V – 500V DC) – Allows flexible solar panel configurations for different installation setups.
- Battery-Free Operation – Supports direct solar-to-load functionality, reducing dependency on battery storage.
- WIFI & GPRS Support – Enables remote monitoring and control via iOS and Android devices.
- Built-in Anti-Dust Filter – Protects internal components, ensuring durability in harsh environments.
- One-Key Factory Reset – Quickly restores the inverter to default settings for easy troubleshooting.
- Smart Battery Charge Design – Extends battery lifespan by optimizing charging cycles.
- Automatic Lithium Battery Activation – Ensures seamless integration with lithium battery systems.
- Dual Communication Ports (RS485/RS232) – Supports WiFi, GPRS, and lithium battery communication for enhanced system monitoring and control.
Specifications
| Feature | Specification |
| BATTERY MODE OUTPUT (AC) | |
| Nominal Output Voltage | 220/230/240VAC |
| Output Waveform | Pure sine wave |
| Efficiency (DC to AC) | 94% |
| BATTERY & CHARGER | |
| Nominal DC Voltage 1 | 24VDC / 48VDC |
| Maximum Solar Charging Current | 120A |
| Maximum AC Charging Current | 140A / 100A |
| Hybrid Operation | |
| PV INPUT (DC) | |
| Nominal DC Voltage / Maximum DC Voltage | 360/500VDC |
| Start-up Voltage / Initial Feeding Voltage | 60VDC / 90VDC |
| MPPT Voltage Range | 60-450VDC / 90-450VDC |
| Maximum Input Current | 1/18A / 2/22A |
| GRID OUTPUT (AC) | |
| Nominal Output Voltage | 220/230/240VAC |
| Output Voltage Range | 195.5-253VAC / 190-253VAC |
| Nominal Output Current | 27.0A / 44.3A |
| AC INPUT | |
| AC Start-up Voltage / Auto Restart Voltage | 120-140VAC / 180VAC |
| Acceptable Input Voltage Range | 90-280VAC or 170-280VAC |
| Maximum AC Input Current | 40A 2 / 60A |
| Maximum AC Charging Current | 140A / 100A |
| GENERAL | |
| PHYSICAL | |
| Dimension, D x W x H (mm) | 420350110 / 500415180 |
| Carton Dimension, D x W x H (mm) | 500415180 |
| Net Weight (kg’s) | 8.5 / 9.8 |
| Gross Weight (kg’s) | 9.5 / 11 |
| INTERFACE | |
| Communication Port | RS232/RS485/WIFI/GPRS/LITHIUM BATTERY |
| ENVIRONMENT | |
| Humidity | 5% to 95% Relative Humidity (Non-condensing) |
| Operating Temperature | -10°C – 50°C |
| STANDARD | |
| Compliance Safety | CE |
The HKT UI SERIES 6.2KW is a versatile and efficient solar inverter, perfect for residential and commercial solar energy systems requiring reliable and intelligent power management.





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