# Fronius Sun sensor 

- **Brand:** Fronius
- **SKU:** FRONIUS-4300011189
- **MPN:** 43,0001,1189
- **Price:** 119.00 EUR
- **Availability:** In stock
- **Categories:** Accessories

The Fronius Sun Sensor is a compact irradiation sensor designed to measure solar radiation and support accurate monitoring of photovoltaic system performance.

The **Fronius Sun Sensor** is a precision irradiation sensor designed to measure solar radiation and enhance the monitoring capabilities of photovoltaic systems. It provides real-time data on sunlight intensity, allowing accurate comparison between expected and actual system performance.

This sensor is typically mounted on the solar module frame and works together with Fronius monitoring systems to detect deviations in energy production. By measuring irradiance levels, it helps identify performance issues and optimize system efficiency.

Built with a durable and weather-resistant design, the sensor is suitable for outdoor environments and long-term operation. Its compact size and simple mounting solution ensure easy installation in various PV system configurations.

### **Core Electrical Characteristics**

1. Sensor output approx. 70 mV at 1000 W/m²
2. High measurement accuracy ±5%
3. Stable performance in varying conditions

### **Connectivity and Integration**

1. Compatible with Fronius Sensor Card / Box
2. Works with Fronius Solar.web monitoring
3. Supports system performance comparison
4. Easy integration into PV systems

### **System Performance and Control**

1. Real-time solar irradiance measurement
2. Improves system monitoring accuracy
3. Helps detect performance deviations
4. Supports system optimization

### **Design and Installation**

1. Compact design (110 × 40 × 40 mm)
2. Lightweight construction (0.15 kg)
3. Z-profile aluminium mounting
4. Easy installation on module frame

### **Safety and Compliance**

1. Weather-resistant construction
2. UV-resistant cable
3. Designed for outdoor use
4. Reliable long-term operation

### **Typical Applications**

1. Photovoltaic system monitoring
2. Commercial solar installations
3. Residential PV systems
4. Performance analysis and diagnostics
5. Energy management systems

## Specifications

| Spec | Value |
| --- | --- |
| Weight | 0.15 kg |
| Cooling | Passive |
| Warranty | 60 months |
| Dimensions | 110 × 40 × 40 mm |
| Monitoring | Fronius Solar.web (via system) |
| Communication | Analog signal (mV output) |
| Compatibility | Fronius Sensor Card, Fronius Sensor Box |
| Output voltage | 0–100 mV |
| Mounting options | Z-profile aluminium bracket |
| Installation type | Module-mounted |
| Operating temperature | -40°C to +85°C |