Description
SUNWAYS STT-20KTL-P 20kW Three Phase On-Grid Solar Inverter

The SUNWAYS STT-20KTL-P 20kW Solar Inverter is an advanced three-phase grid-tied inverter designed to meet the requirements of commercial buildings, manufacturing facilities and industrial rooftop solar projects.
With a maximum efficiency of 98.6% and European efficiency of 98.2%, the inverter provides excellent solar energy conversion performance.
Its dual MPPT technology, maximum DC input power of 32kW and 30A maximum input current per MPPT make it suitable for compatible high-power solar panel configurations.
Key Features
- 20kW rated AC output power
- Maximum efficiency: 98.6%
- European efficiency: 98.2%
- Dual MPPT technology
- Maximum DC input power: 32,000W
- Maximum output power: 22,000W
- Maximum DC voltage: 1,100V
- MPPT voltage range: 160–1,000V
- Maximum input current: 30A per MPPT
- Two DC inputs per MPPT
- IP65 protection
- Integrated AC and DC surge protection
- Anti-islanding protection
- Remote monitoring and upgrading
- Optional WiFi/GPRS/LAN connectivity
- OLED and LED display
Technical Specifications
| Specification | Details |
|---|---|
| Model | STT-20KTL-P |
| Rated AC Output | 20,000W |
| Maximum Output Power | 22,000W |
| Maximum DC Input Power | 32,000W |
| Maximum Efficiency | 98.6% |
| European Efficiency | 98.2% |
| MPPT Trackers | 2 |
| Maximum DC Voltage | 1,100V |
| MPPT Voltage Range | 160–1,000V |
| Maximum Input Current | 30A / 30A |
| DC Inputs per MPPT | 2 |
| Rated AC Voltage | 230/400V |
| Protection Rating | IP65 |
| Communication | RS485, Optional WiFi/GPRS/LAN |
Applications
- Industrial rooftop solar power systems
- Manufacturing plants
- Commercial buildings
- Three-phase net-metering projects
- Medium-sized commercial solar power plants
Get the SUNWAYS STT-20KTL-P 20kW inverter from SOLARIAN for efficient and intelligent solar power generation.










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