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The ZMCT103C AC Current Sensor Module is a high-precision, microcurrent transformer module designed to measure alternating current (AC) in a safe, isolated, and accurate manner. Based on the ZMCT103C core, this module can detect current levels up to 5A and outputs a proportional analog voltage, making it perfect for microcontroller and embedded systems integration.
This module is ideal for energy monitoring, load detection, and current measurement applications in household or industrial electrical systems. It features a compact PCB with a 4-pin header that includes signal output, power input, and ground, ensuring quick and simple connectivity to Arduino, ESP32, STM32, and other development boards.
🔧 Key Features
- Accurate AC current measurement up to 5A
- Based on the ZMCT103C precision transformer
- Analog voltage output proportional to current
- 4-pin header for signal, power, and ground
- Safe, isolated measurement circuit
- Small footprint and easy integration
📐 Technical Specifications
| Product Name | ZMCT103C AC Current Sensor Module |
| Sensor Type | Current Transformer (ZMCT103C) |
| Current Measurement Range | 0A – 5A AC |
| Output Signal | Analog Voltage |
| Operating Voltage | 5V DC |
| Interface | 4-Pin Header (VCC, GND, OUT, NC) |
| Accuracy | High precision with low offset |
| Output Impedance | <1kΩ |
| PCB Dimensions | Approx. 31mm × 13mm |
| Use Case | Energy monitoring, load detection, automation |
📌 Applications
- AC current measurement in home automation
- Energy monitoring systems
- Load detection and switching circuits
- Industrial control panels
- Arduino and ESP32-based sensor projects
💡 Why Choose This Product?
The ZMCT103C Current Sensor Module provides an affordable, accurate, and safe solution for measuring low-range AC current. Its analog output, micro-size, and isolation make it an excellent choice for embedded designs and real-time power monitoring systems.
📦 Package Includes
- 1 × ZMCT103C AC Current Sensor Module
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