ACS712 30A Range Current Sensor Module

The ACS712 30A Current Sensor Module is a reliable Hall-effect-based current sensing module designed to accurately measure both AC and DC current up to ±30A. It provides an analog voltage output proportional to the current flowing through the conductor, making it ideal for use with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontrollers.

The module features the ACS712ELCTR-30A sensor IC, offering electrical isolation between the sensing circuit and the measured current for improved safety and reliability. With low power consumption, fast response time, and simple analog output, it is widely used in battery management systems, power monitoring, motor control, and renewable energy projects.

Whether you're building DIY electronics, robotics, or industrial monitoring systems, the ACS712 30A Current Sensor Module delivers accurate and stable current measurements with minimal external components.

Key Features

• Measures both AC and DC current up to ±30A

• Hall-effect sensing technology for accurate measurements

• Analog voltage output compatible with ADC inputs

• Electrical isolation between signal and power circuits

• Fast response time (typically 5µs)

• Operates from a single 5V supply

• Low-noise and high-reliability design

• Compatible with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other development boards

• Compact PCB for easy integration into electronic projects

• Ideal for battery monitoring, power measurement, and motor control

Applications

• Battery Management Systems (BMS)

• Solar power monitoring

• DC motor current sensing

• Over-current protection circuits

• Power supply monitoring

• Energy measurement systems

• Robotics and automation

• Electric vehicle projects

• Smart home energy monitoring

• Arduino and IoT applications

Specifications

• Sensor IC: ACS712ELCTR-30A

• Current Measurement Range: ±30A

• Operating Voltage: 5V DC

• Output Type: Analog Voltage

• Sensitivity: 66mV/A (Typical)

• Current Type: AC & DC

• Response Time: 5µs (Typical)

• Isolation: Hall-effect electrical isolation

• Operating Temperature: -40°C to +85°C

• PCB Dimensions: Approx. 31 × 13 mm

• Mounting Type: Through-hole PCB Module

Package Includes

• 1 × ACS712 30A Range Current Sensor Module

Why Choose This Module?

The ACS712 30A Current Sensor Module provides an easy and accurate way to measure electrical current without directly connecting the measuring circuit to high-current lines. Its Hall-effect isolation improves safety while delivering reliable analog output, making it perfect for makers, students, engineers, and industrial applications.