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ACS712 30A Hall Current Sensor Module
Accurately measure AC and DC currents up to +/-30A with this ACS712-based Hall effect current sensor module. Designed for easy integration with Arduino, ESP32, and other microcontrollers, this module outputs an analog voltage proportional to the current flowing through its sensing terminals - ideal for energy monitoring, overcurrent protection, and power management projects. Available at The Engineer Store, Bengaluru with fast shipping and full technical support.
Specifications
| Sensor IC | ACS712ELCTR-30A-T (Allegro MicroSystems) |
| Current Sensing Range | -30A to +30A (AC or DC) |
| Sensitivity | 66 mV/A |
| Output at Zero Current | ~2.5V (VCC/2) |
| Operating Voltage | 5V DC |
| Output Type | Analog Voltage (ratiometric to VCC) |
| Isolation Voltage | 2.1 kV RMS (between current path and signal pins) |
| Bandwidth | 80 kHz (typical) |
| Internal Resistance | 1.2 mOhm (low insertion loss) |
| Output Signal Range | 0.5V to 4.5V (at +/-30A full scale) |
| Response Time | 5 us |
| Operating Temperature | -40 degreesC to +85 degreesC |
| Board Dimensions | ~31mm x 13mm |
| Mounting | Two screw terminal blocks for current path; 3-pin header for signal |
| Connector Pins | VCC, GND, OUT (analog signal) |
| Onboard Features | Power LED indicator, filter capacitor |
| Compatibility | Arduino, ESP32, ESP8266, STM32, Raspberry Pi (with ADC), PIC, and other MCUs |
| Type | Hall Effect Current Sensor Module |
| Origin | Original/Authentic Allegro ACS712 IC |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- +/-30A Bidirectional Sensing: Measures both AC and DC current with a full-scale range of -30A to +30A, suitable for high-current applications like motor drives and power supplies.
- Analog Output Proportional to Current: Outputs a voltage centered at 2.5V (zero current) that increases or decreases by 66 mV per ampere - easily read by any microcontroller ADC.
- Galvanic Isolation (2.1 kV RMS): The Hall effect sensing provides complete electrical isolation between the high-current path and the low-voltage signal output, ensuring safety and noise immunity.
- Ultra-Low Insertion Loss: Internal conductor resistance of just 1.2 mOhm means negligible voltage drop and minimal power dissipation even at full 30A load.
- Fast 5 us Response Time: Captures rapid current transients and high-frequency waveforms with 80 kHz bandwidth - suitable for real-time monitoring and protection circuits.
- Simple 3-Pin Interface: Just connect VCC (5V), GND, and read the analog OUT pin - no complex communication protocols or additional components required.
- Screw Terminal Current Path: Heavy-duty screw terminals securely connect the load wiring for reliable high-current connections without soldering.
- Compact Breakout Board: Small form factor with onboard filtering capacitor and power LED, ready to drop into breadboard or project enclosure.
Why Choose This?
- 100% authentic Allegro ACS712ELCTR-30A-T IC sourced from trusted, authorized suppliers
- 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse
- Expert technical support for wiring, calibration, and code integration included
- Proven reliability with thousands of makers, students, and professionals across India
- Non-invasive Hall effect measurement eliminates the need for shunt resistors or current transformers
How It Works
The ACS712 module uses the Hall effect to sense the magnetic field generated by current flowing through an internal copper conductor. This magnetic field is detected by an integrated Hall sensor IC, which converts it into a proportional analog voltage output. At zero current, the output sits at approximately 2.5V (half of the 5V supply). As current flows in one direction, the output voltage increases above 2.5V; in the opposite direction, it decreases below 2.5V. With a sensitivity of 66 mV/A for the 30A variant, a current of +10A produces approximately 2.5V + (10 x 0.066V) = 3.16V, while -10A produces approximately 1.84V. Your microcontroller's ADC
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy ACS712 30A Hall Current Sensor Module Online in India
Purchase the ACS712 30A Hall Current Sensor Module online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on ACS712 30A Hall Current Sensor Module with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy ACS712 30A Hall Current Sensor Module at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
ACS712 30A Hall Current Sensor Module
Accurately measure AC and DC currents up to +/-30A with this ACS712-based Hall effect current sensor module. Designed for easy integration with Arduino, ESP32, and other microcontrollers, this module outputs an analog voltage proportional to the current flowing through its sensing terminals - ideal for energy monitoring, overcurrent protection, and power management projects. Available at The Engineer Store, Bengaluru with fast shipping and full technical support.
Specifications
| Sensor IC | ACS712ELCTR-30A-T (Allegro MicroSystems) |
| Current Sensing Range | -30A to +30A (AC or DC) |
| Sensitivity | 66 mV/A |
| Output at Zero Current | ~2.5V (VCC/2) |
| Operating Voltage | 5V DC |
| Output Type | Analog Voltage (ratiometric to VCC) |
| Isolation Voltage | 2.1 kV RMS (between current path and signal pins) |
| Bandwidth | 80 kHz (typical) |
| Internal Resistance | 1.2 mOhm (low insertion loss) |
| Output Signal Range | 0.5V to 4.5V (at +/-30A full scale) |
| Response Time | 5 us |
| Operating Temperature | -40 degreesC to +85 degreesC |
| Board Dimensions | ~31mm x 13mm |
| Mounting | Two screw terminal blocks for current path; 3-pin header for signal |
| Connector Pins | VCC, GND, OUT (analog signal) |
| Onboard Features | Power LED indicator, filter capacitor |
| Compatibility | Arduino, ESP32, ESP8266, STM32, Raspberry Pi (with ADC), PIC, and other MCUs |
| Type | Hall Effect Current Sensor Module |
| Origin | Original/Authentic Allegro ACS712 IC |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- +/-30A Bidirectional Sensing: Measures both AC and DC current with a full-scale range of -30A to +30A, suitable for high-current applications like motor drives and power supplies.
- Analog Output Proportional to Current: Outputs a voltage centered at 2.5V (zero current) that increases or decreases by 66 mV per ampere - easily read by any microcontroller ADC.
- Galvanic Isolation (2.1 kV RMS): The Hall effect sensing provides complete electrical isolation between the high-current path and the low-voltage signal output, ensuring safety and noise immunity.
- Ultra-Low Insertion Loss: Internal conductor resistance of just 1.2 mOhm means negligible voltage drop and minimal power dissipation even at full 30A load.
- Fast 5 us Response Time: Captures rapid current transients and high-frequency waveforms with 80 kHz bandwidth - suitable for real-time monitoring and protection circuits.
- Simple 3-Pin Interface: Just connect VCC (5V), GND, and read the analog OUT pin - no complex communication protocols or additional components required.
- Screw Terminal Current Path: Heavy-duty screw terminals securely connect the load wiring for reliable high-current connections without soldering.
- Compact Breakout Board: Small form factor with onboard filtering capacitor and power LED, ready to drop into breadboard or project enclosure.
Why Choose This?
- 100% authentic Allegro ACS712ELCTR-30A-T IC sourced from trusted, authorized suppliers
- 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse
- Expert technical support for wiring, calibration, and code integration included
- Proven reliability with thousands of makers, students, and professionals across India
- Non-invasive Hall effect measurement eliminates the need for shunt resistors or current transformers
How It Works
The ACS712 module uses the Hall effect to sense the magnetic field generated by current flowing through an internal copper conductor. This magnetic field is detected by an integrated Hall sensor IC, which converts it into a proportional analog voltage output. At zero current, the output sits at approximately 2.5V (half of the 5V supply). As current flows in one direction, the output voltage increases above 2.5V; in the opposite direction, it decreases below 2.5V. With a sensitivity of 66 mV/A for the 30A variant, a current of +10A produces approximately 2.5V + (10 x 0.066V) = 3.16V, while -10A produces approximately 1.84V. Your microcontroller's ADC
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy ACS712 30A Hall Current Sensor Module Online in India
Purchase the ACS712 30A Hall Current Sensor Module online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on ACS712 30A Hall Current Sensor Module with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy ACS712 30A Hall Current Sensor Module at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.