Description
SUNWAYS STT-25KTL-P 25kW Three Phase On-Grid Solar Inverter

The SUNWAYS STT-25KTL-P 25kW Solar Inverter is a high-performance three-phase grid-tied inverter designed for commercial rooftops, industrial facilities and large-scale distributed solar installations.
Its maximum efficiency of 98.6% and European efficiency of 98.2% help optimize solar power conversion. The dual MPPT configuration provides flexible solar array management, while its maximum DC input voltage of 1,100V supports modern solar panel configurations.
With IP65 protection and integrated electrical safety features, the STT-25KTL-P is engineered for reliable operation in various installation environments.
Key Features
- 25kW rated AC output power
- Maximum efficiency: 98.6%
- European efficiency: 98.2%
- Dual MPPT technology
- Maximum DC input power: 40,000W
- Maximum output power: 25,000W
- 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 DC and AC surge protection
- Anti-islanding protection
- Remote upgrading support
- Optional WiFi/GPRS/LAN monitoring
- OLED and LED display
Technical Specifications
| Specification | Details |
|---|---|
| Model | STT-25KTL-P |
| Rated AC Output | 25,000W |
| Maximum Output Power | 25,000W |
| Maximum DC Input Power | 40,000W |
| 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 projects
- Large commercial buildings
- Manufacturing facilities
- Three-phase net-metering installations
- Commercial and industrial distributed solar systems
Choose the SUNWAYS STT-25KTL-P from SOLARIAN for high-efficiency solar power conversion and advanced inverter technology.











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