Non-Invasive AC Current Sensor | 30A Split-Core | For Energy Monitoring

This SCT013 is a non-invasive AC current sensor that measures electricity usage without cutting wires. Its split-core design clamps around a power cable, making it a simple choice for energy monitoring projects using an Arduino, ESP32, or other microcontrollers. It's a practical AC current transducer. Features and Benefits - Split-core transformer - Clamps directly onto a live wire, so installation is fast and doesn't require any rewiring. - Multiple ratings from 5A to 60A - You can select the correct SCT013 current sensor for your specific load, from small appliances to main circuits. - Non-linearity of ±3% - Provides dependable readings for tracking energy consumption trends and identifying power usage patterns. - Standard 3.5mm jack output - Offers a straightforward connection to your project's circuitry for data collection. Applications - Energy consumption monitoring - Build a system to track your whole house's power usage or see how much a specific appliance costs to run. - Home automation - Use it to trigger actions when a device turns on or off, like activating a fan when a tool is running. - Load detection - Check if a motor or machine is active or idle, which is useful for industrial controls or status indicators. Common Sensing Methods A current sensor is a device that detects electrical current and produces a proportional signal. This signal is typically an analogue voltage or current, which can then be read by a measurement system. Understanding how current sensors work involves differentiating between direct and indirect sensing methods, each suited for different applications and current levels. These methods allow for accurate measurement without directly interfering with the circuit, ensuring safety and precision in energy monitoring. Direct (Resistive) Sensing Direct sensing involves placing a resistive element, known as a shunt resistor, directly into the path of the current being measured. As current flows through the shunt, a small voltage drop is created across it, which is proportional to the current. This method is highly accurate for measuring DC currents and smaller AC currents. However, it introduces a small power loss and requires the circuit to be interrupted for installation. This Non-Invasive AC Current Sensor, with its split-core design, avoids direct contact. Indirect (Magnetic / Non-Contact) Sensing Indirect sensing, exemplified by this Non-Invasive AC Current Sensor, measures current without direct electrical contact with the conductor. These methods, like the split-core design, rely on detecting the magnetic field generated by the current. The SCT-013-000 model is a current transformer, a type of indirect sensor. This approach is safer, especially for high currents, and does not require breaking the circuit. It is ideal for energy monitoring applications where continuous operation is essential and a current range of 5A to 60A is needed. Key Applications This Non-Invasive AC Current Sensor, a 30A Split-Core model, is specifically designed for energy monitoring. Its split-core design allows for easy installation around existing conductors without interrupting the circuit. With a current range including 5A, 10A, 15A, 20A, 30A, 50A, and 60A, it is suitable for various domestic and light commercial energy management systems. The TQFP package type ensures a compact footprint. As a current transformer, it provides a reliable signal for power consumption analysis and load balancing.