The Fronius Primo 4.6kW and 8.2kW is a high-performance single-phase, transformerless inverter designed for residential solar systems. Featuring the innovative SuperFlex Design, it allows maximum flexibility for system layouts, accommodating multiple roof orientations, shading, or residual modules with ease. Its SnapINverter mounting system simplifies installation and maintenance, enabling separate mounting of the connection area and power stage set for fast servicing without disturbing existing cabling.
Integrated communication features include WLAN, Ethernet, energy management, and multiple interfaces for seamless monitoring via Fronius Solar.web or third-party systems. The Dynamic Peak Manager optimizes energy yield by continuously tracking the global Maximum Power Point, even under partial shading. With high efficiency up to 98.1% and robust protection devices, the Fronius Primo ensures reliable performance in Tanzania’s varied environmental conditions, supporting indoor or outdoor installation in temperatures from -40°C to +55°C.
Features & Benefits
- Single-phase transformerless inverter for residential PV systems.
- SuperFlex Design with 2 MPP trackers and wide DC input voltage range.
- SnapINverter technology for easy installation and maintenance.
- Integrated WLAN, Ethernet, energy management, and USB/RS interfaces.
- Dynamic Peak Manager for optimal energy yield under shading.
- High efficiency up to 98.1% and European efficiency 97%.
- Smart Grid ready with advanced grid features for future-proof energy management.
- IP65-rated, suitable for indoor and outdoor installation.
- Lightweight, compact design for easy handling and mounting.
- Robust Protection DC insulation, overload protection, reverse polarity, and overvoltage compliance.
Use Cases
- Residential Solar Integration: Ideal for private households in Tanzania to efficiently convert solar energy into usable electricity.
- Flexible System Design: SuperFlex Design with two MPP trackers allows installation on roofs with multiple orientations or partial shading.
- Easy Installation & Maintenance: SnapINverter mounting system simplifies setup and servicing; only the power stage set needs removal for maintenance.
- Smart Energy Management: Integrated data communication with Wi-Fi, Ethernet, Modbus, and Fronius Solar API enables real-time monitoring and energy optimization.
- High Efficiency Performance: Maximum efficiency of 98.1% ensures optimal energy yield even under variable sunlight conditions.
- Durable & Weatherproof: IP65 rating and wide operating temperature (-40°C to +55°C) make it suitable for indoor/outdoor installation in Tanzanian climates.
- Grid Compliance: Single-phase, transformerless design meets local grid standards with advanced Smart Grid readiness and protective functions.
- Scalable PV Systems: Supports up to 6.9 kW peak PV generator power, allowing gradual expansion of solar capacity for growing energy needs.
- User-Friendly Monitoring: Integrated datalogger and web server allow homeowners to track energy production and consumption easily.
- Partial Shading Optimization: Dynamic Peak Manager algorithm finds the global maximum power point, ensuring consistent energy output.
Value Propositions
- Optimized Energy Management: Equipped with integrated communication tools (WLAN, Ethernet, Fronius Solar.web, and APIs) to monitor, control, and manage energy efficiently in real-time.
- SuperFlex Design: Two MPP trackers with wide DC input voltage range allow flexible system design for varying roof orientations, shading conditions, and residual modules.
- SnapINverter Mounting System: Simplifies installation and maintenance with a separate, lightweight connection area and hinged power stage, making servicing fast and convenient.
- High Efficiency: Achieves maximum efficiency up to 98.1% and European efficiency up to 97%, ensuring maximum energy yield from your solar panels.
- Dynamic Peak Manager: Advanced MPP tracking algorithm optimizes energy harvest, even under partial shading conditions, by continuously locating the global maximum power point.
- Smart Grid Ready: Built-in advanced grid functions prepare your system for future Smart Grid requirements, ensuring compatibility and compliance with modern grid standards.
- Durable and Reliable: Transformerless, IP65 rated, supports outdoor installation, and operates across a wide temperature range (-40°C to +55°C) with regulated air cooling.
- Comprehensive Protection: Includes DC reverse polarity protection, overload behavior adjustment, DC insulation monitoring, and support for up to 4000 m altitude.
- Flexible Connectivity: Interfaces for Modbus TCP/RTU, Fronius Solar API, S0 meter, digital I/Os, and ripple control integration for advanced energy monitoring and automation.
Local Market Positioning in Tanzania
The Fronius Primo series, available in 4.6kW and 8.2kW models, is a high-efficiency, single-phase grid-tie inverter designed for private households and small-scale commercial setups. Its transformerless design ensures high energy yield, while the SuperFlex Design enables maximum flexibility, accommodating varied roof orientations, shading conditions, and multiple string configurations—ideal for Tanzania’s diverse solar installations.
Featuring SnapINverter mounting technology, installation and maintenance are streamlined, reducing labor costs and downtime. The inverters come with an integrated communication package including WLAN, Ethernet, and interfaces like Modbus and Fronius Solar API, enabling real-time monitoring and energy management—a perfect fit for Tanzania’s growing smart energy and home automation sector.
With high efficiency up to 98.1%, robust protection (IP65, wide temperature range -40°C to +55°C), and compatibility with Smart Grid features, Fronius Primo inverters offer reliable performance in Tanzania’s varied climatic conditions. Their ability to handle partial shading and dynamic MPP tracking ensures optimum solar energy harvest, making them a top choice for households, institutions, and small enterprises looking to maximize solar ROI.
Technical Specification
| Details | Fronius Primo 4.6 kW | Fronius Primo 8.2 kW |
|---|---|---|
| Type | Single-phase, transformerless | Single-phase, transformerless |
| Power Range | 4.6 kW | 8.2 kW |
| Max. Efficiency | ~98.1% | ~98.1% |
| Euro Efficiency | ~97.6% | ~97.6% |
| DC Input Voltage Range | 120 – 1000 V | 120 – 1000 V |
| MPP Voltage Range | 200 – 800 V | 200 – 800 V |





