Description
The Milesight CT305 LoRaWAN® Smart Current Transformer is a high-precision, non-intrusive power meter designed to monitor electrical consumption in industrial and commercial environments. Capable of measuring currents up to 500A, the CT305 provides valuable real-time insights into power usage, helping businesses optimize energy consumption and reduce costs.
Utilizing LoRaWAN® technology, the CT305 ensures long-range, low-power data transmission to IoT platforms, allowing remote monitoring and analysis of energy usage without the need for complex wiring or intrusive installation. Its compact design and multi-target capabilities make it an ideal solution for monitoring multiple circuits in factories, shopping centers, and data centers.
Technical Specifications
- Model: CT305 LoRaWAN® Smart Current Transformer
- LoRaWAN® Frequency: 868 MHz (EU868)
- Measurement Range: 0 to 500A
- Accuracy: ±1% FS
- Current Sensors: Non-intrusive clamp-on type
- Data Transmission: Configurable reporting intervals
- Connectivity: LoRaWAN® Class A and Class C compatible
- Communication Distance: Up to 10 km (line-of-sight)
- Power Supply: Built-in replaceable battery
- Battery Life: Up to 10 years (depending on reporting intervals)
- Protection Rating: IP65 (dustproof and waterproof)
- Mounting: Clamp-on for easy installation
- Operating Temperature: -20°C to +60°C
- Humidity: 0–95% RH (non-condensing)
- Dimensions: 120 mm × 80 mm × 40 mm
- Weight: Approx. 300 g
Key Features
- Non-Intrusive Monitoring: Clamp-on design allows easy installation without interrupting the power supply.
- Accurate Power Measurement: Measures electrical current up to 500A with high precision.
- LoRaWAN® Connectivity: Enables long-range, low-power communication for real-time monitoring.
- Multi-Target Capability: Supports monitoring of multiple circuits for comprehensive power tracking.
- Durable Construction: IP65-rated enclosure ensures reliability in industrial environments.
- Extended Battery Life: Operates up to 10 years with low maintenance requirements.
- Smart Energy Management: Ideal for optimizing energy usage in commercial and industrial applications.
- Easy Deployment: Tool-free installation with flexible mounting options.


