Single Phase Solar GTI
The Single Phase Solar GTI Series is a high-efficiency grid-tied inverter designed to maximize solar energy generation while delivering reliable and intelligent power conversion for residential and commercial solar installations. Engineered with advanced MPPT technology offering up to 99.9% MPPT efficiency and a maximum conversion efficiency of 97.8%, it ensures optimal energy harvesting even under varying sunlight conditions.
Its wide MPPT voltage range, low start-up voltage, and transformerless design enhance overall system performance while reducing energy losses. Built for long-term durability, the inverter features IP65-rated protection, natural cooling, anti-corrosion construction, and comprehensive safety mechanisms including anti-islanding, surge protection, reverse polarity protection, and thermal protection.
With integrated remote monitoring, PV string current monitoring, and multiple communication options, the Solar GTI Series provides intelligent performance management, easy installation, and dependable operation, making it an ideal solution for efficient and sustainable solar power generation.
Efficient Grid-Tied Solar Power Conversion
The RAPSTECH SU911 Series Single Phase Solar GTI is a high-performance transformerless grid-tied inverter designed to maximize solar energy generation while delivering reliable, efficient, and safe power conversion. Available in capacities from 1kW to 5kW, it is ideal for residential, commercial, and small industrial solar installations.
Featuring industry-leading 99.9% MPPT efficiency and up to 97.8% maximum conversion efficiency, the SU911 Series extracts maximum energy from photovoltaic panels even under varying environmental conditions. Its intelligent MPPT technology, low startup voltage, and natural cooling ensure dependable long-term operation with minimal maintenance.
Built with an IP65-rated weatherproof enclosure, comprehensive protection functions, remote monitoring capabilities, and compliance with international safety standards, the SU911 Series delivers reliable solar performance while providing installers and users with intelligent system management and long-term durability.
Key Features
- High MPPT Efficiency – Delivers up to 99.9% MPPT efficiency for maximum solar energy harvesting.
- Excellent Conversion Efficiency – Provides up to 97.8% maximum efficiency for reduced power loss.
- Wide Power Range – Available from 1kW to 5kW for various residential and commercial applications.
- Low Start-up Voltage – Starts generating power from as low as 60V DC.
- Dual MPPT Models Available – Selected models support dual independent MPPT inputs for improved energy production.
- Natural Cooling Design – Fanless operation reduces maintenance while ensuring quiet performance.
- IP65 Protection – Weatherproof enclosure suitable for indoor and outdoor installation.
- Comprehensive Safety Protection – Includes anti-islanding, surge protection, reverse polarity, thermal, overcurrent, and short-circuit protection.
- Remote Monitoring – Supports RS485, Wi-Fi, and optional GPRS, Bluetooth, and 4G communication.
- LCD & Smart Monitoring – Monitor inverter performance through LCD display, mobile app, and web portal.
- International Standards Compliance – Designed according to IEC, EN, CEI, G98, G99, VDE, and other international grid standards.
- Long-Term Reliability – Anti-corrosion construction backed by an 8-year warranty (T&C Apply).
Technical Specifications
| Product Range | 1.0kW – 5.0kW Single Phase Solar GTI |
|---|---|
| Inverter Type | Transformerless Grid-Tied Solar Inverter |
| Maximum Efficiency | Up to 97.8% |
| MPPT Efficiency | Up to 99.9% |
| Start-up Voltage | 60V DC |
| MPPT Voltage Range | 70V – 500V DC |
| Maximum PV Input Voltage | 540V DC |
| Rated AC Output Voltage | 220V / 230V AC |
| Grid Frequency | 50Hz (45–55Hz) |
| Power Factor | ~1 (Adjustable 0.8 Leading to 0.8 Lagging) |
| Output Harmonic Distortion | <3% |
| Cooling Method | Natural Cooling |
| Protection Rating | IP65 |
| Communication | RS485, Wi-Fi, Optional GPRS / Bluetooth / 4G |
| Display | LCD Display, Mobile App & Web Monitoring |
| Operating Temperature | -25°C to +60°C |
| Installation | Wall Mounted |
Comprehensive Support & Services
RAPSTECH provides complete technical assistance and after-sales support to ensure your solar inverter delivers maximum performance, reliability, and long-term energy savings throughout its operational life.
- ✔ Professional installation guidance and commissioning support.
- ✔ Remote monitoring configuration and technical assistance.
- ✔ Preventive maintenance and system health inspections.
- ✔ Firmware updates and product documentation support.
- ✔ Genuine spare parts and replacement assistance.
- ✔ Troubleshooting support through certified technical engineers.
- ✔ Nationwide service network backed by RAPSTECH expertise.
⚡ Key Specifications
Core technical features at a glance
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