30A YHDC SCT-013-030 Non-Invasive AC Current Sensor – Split-Core Current Transformer

The YHDC SCT-013-030 is a non-invasive split-core AC current transformer (CT) designed to measure alternating current without cutting or disconnecting electrical wiring. Simply clamp the sensor around a single live conductor to monitor current safely and conveniently.

With a measurement range of 0–30A AC and a 0–1V voltage output, the SCT-013-030 is ideal for energy monitoring, smart home systems, industrial automation, solar power monitoring, and Arduino- or ESP32-based projects. The built-in burden resistor eliminates the need for an external sampling resistor, making integration simple and reliable.

This sensor is widely used in power monitoring systems such as OpenEnergyMonitor, electrical load monitoring, motor current measurement, and IoT energy management applications.

Features
Non-invasive split-core current transformer
Measures 0–30A AC current
0–1V AC voltage output
No need to cut or disconnect wires
Built-in burden (sampling) resistor
High accuracy (±1% typical)
Compact split-core clamp design
13 × 13 mm opening for easy installation
1 m cable with 3.5 mm plug
Safe electrical isolation from the measured circuit

Applications
Smart energy monitoring
Arduino power monitoring projects
ESP32 IoT energy meters
Home electricity monitoring
Solar inverter monitoring
Industrial equipment monitoring
AC motor current measurement
Building energy management
OpenEnergyMonitor projects
Electrical research and education

Compatible With
Arduino Uno
Arduino Nano
Arduino Mega
ESP32
ESP8266
Raspberry Pi
STM32
PLC systems (with appropriate analog interface)
OpenEnergyMonitor

Technical Specifications
Model: SCT-013-030
Manufacturer: YHDC
Sensor Type: Split-Core Current Transformer (CT)
Measurement Range: 0–30A AC
Output: 0–1V AC
Accuracy: ±1% (typical)
Linearity: ≤0.2%
Turns Ratio: 1800:1
Opening Size: 13 × 13 mm
Cable Length: 1 m
Connector: 3.5 mm three-core plug
Operating Temperature: -25°C to +70°C
Storage Temperature: -40°C to +85°C
Frequency Range: 50 Hz–1 kHz

Package Includes
1 × YHDC SCT-013-030 30A Non-Invasive AC Current Sensor