SCT-013 Split Core Current Transformer Non-Invasive AC Sensor
SCT-013 Split Core Current Transformer Non-Invasive AC Sensor
SCT-013 Split Core Current Transformer – Non-Invasive AC Current Sensor
The SCT-013 Split Core Current Transformer is a versatile, non-invasive AC current sensor designed for accurate current measurement, monitoring, and protection across a wide range of electrical applications. With its open-close clamp design, it can be installed directly around an existing conductor without cutting or interrupting the circuit — making it ideal for both DIY energy monitoring projects and professional electrical installations.
Available in multiple current ratings — 5A, 10A, 20A, 30A, 50A, 60A, and 100A — this sensor is compatible with a broad spectrum of devices including AC motors, lighting equipment, air compressors, and energy meters.
Key Features
- Non-Invasive Design: Clamps around the conductor with no need to cut or interrupt the wire
- Wide Current Range: Available in 5A, 10A, 20A, 30A, 50A, 60A, and 100A ratings
- Ferrite Core Material: Ensures accurate and stable current measurement
- Wide Frequency Range: Operates from 50Hz up to 150kHz
- Split-Core Open-Close Mechanism: Easy installation and removal without circuit disconnection
- Brand New & High Quality: 100% new components for reliable, long-term performance
- Versatile Applications: Compatible with energy meters, data loggers, Arduino/Raspberry Pi projects, and more
Specifications
| Model | SCT-013 |
| Core Material | Ferrite |
| Current Ratings Available | 5A, 10A, 20A, 30A, 50A, 60A, 100A |
| Frequency Range | 50Hz – 150kHz |
| Battery Included | No |
| Package Contents | 1 × SCT-013 Split Core Current Transformer |
Applications
The SCT-013 is widely used in:
- Home and commercial energy monitoring systems
- AC motor current measurement
- Lighting equipment monitoring
- Air compressor protection circuits
- DIY smart home energy meters
- Industrial automation and control panels
Made in Mainland China.
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Frequently Asked Questions
Q: What does "non-invasive" mean for the SCT-013 split core current transformer?
A: "Non-invasive" means the SCT-013 clamps around an existing wire or conductor without cutting or disconnecting it. The split-core open-close design allows you to snap the sensor around the cable in seconds, making installation simple and safe without interrupting power to the circuit.
Q: Which current rating should I choose for my application?
A: Choose a current rating that matches or slightly exceeds the maximum current your circuit is expected to carry. For example, if your circuit runs up to 20A, select the 20A or 30A version. The SCT-013 is available in 5A, 10A, 20A, 30A, 50A, 60A, and 100A variants to suit a wide range of applications.
Q: Is the SCT-013 compatible with Arduino or Raspberry Pi energy monitoring projects?
A: Yes! The SCT-013 is extremely popular in DIY electronics and maker communities. It is commonly paired with Arduino, Raspberry Pi, and platforms like OpenEnergyMonitor (emonPi/emonTx) for building custom energy meters and home monitoring systems.
Q: What is the frequency range of this current transformer?
A: The SCT-013 operates across a frequency range of 50Hz to 150kHz, making it suitable for standard AC mains measurement as well as a variety of industrial and electronic monitoring applications.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.