{"product_id":"30a-acs712-current-sensor","title":"30A ACS712 Current Sensor","description":"\u003cmeta name=\"description\" content=\"Buy 30A ACS712 Current Sensor online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003e30A ACS712 Current Sensor Module\u003c\/h1\u003e\n\u003cp\u003eMeasure AC and DC currents up to +\/-30A with precision using the ACS712-based current sensor module from The Engineer Store, Bengaluru. This Hall-effect sensor provides isolated, low-noise analog output proportional to current flow - ideal for energy monitoring, motor control, overcurrent protection, and IoT power-tracking projects. Fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support included.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor IC\u003c\/td\u003e\n\u003ctd\u003eACS712ELCTR-30A-T (Allegro MicroSystems)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Measurement Range\u003c\/td\u003e\n\u003ctd\u003e-30A to +30A (AC or DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e66 mV\/A (typical at 5V supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiescent Output Voltage\u003c\/td\u003e\n\u003ctd\u003e~2.5V (at zero current, VCC\/2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eAnalog voltage (ratiometric to VCC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2.1 kV RMS (min) between current path and signal pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Conductor Resistance\u003c\/td\u003e\n\u003ctd\u003e1.2 mOhm (typical) - ultra-low power loss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e80 kHz (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e5 us (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Filter Capacitor\u003c\/td\u003e\n\u003ctd\u003eOnboard (1 nF typical, user-replaceable for bandwidth tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003e~31 mm x 13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eTwo screw terminals for current path + 3-pin header (VCC, GND, OUT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Pitch\u003c\/td\u003e\n\u003ctd\u003e2.54 mm header - breadboard and jumper-wire compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC Compatibility\u003c\/td\u003e\n\u003ctd\u003eDirect connection to any microcontroller ADC (Arduino, ESP32, STM32, Raspberry Pi with external ADC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal ACS712 IC \/ Authentic Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7 Technical Assistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional +\/-30A Sensing:\u003c\/strong\u003e Measures both AC and DC current in either direction with a linear analog output centered at VCC\/2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHall-Effect Isolation:\u003c\/strong\u003e The ACS712 uses an internal Hall-effect element, providing galvanic isolation (2.1 kV RMS) between the high-current path and the low-voltage signal output - no optocouplers or transformers needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Insertion Loss:\u003c\/strong\u003e 1.2 mOhm internal conductor resistance means negligible voltage drop and minimal heat generation even at full 30A load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Output - Easy to Read:\u003c\/strong\u003e Output voltage swings linearly around 2.5V; simply read with an ADC and apply the 66 mV\/A sensitivity to calculate current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Response:\u003c\/strong\u003e 5 us output response time and 80 kHz bandwidth enable real-time current waveform capture, fault detection, and power-quality analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Terminal Current Path:\u003c\/strong\u003e Heavy-duty screw terminals accept thick wires for high-current connections - no soldering required for the power side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard-Friendly Header:\u003c\/strong\u003e 3-pin 2.54 mm header (VCC, GND, OUT) plugs directly into breadboards or connects via standard jumper wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Power LED \u0026amp; Filter Cap:\u003c\/strong\u003e Power indicator LED confirms module is active; onboard filter capacitor smooths output noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Rated -40 degreesC to +85 degreesC for reliable operation in industrial, automotive, and outdoor environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrinciple:\u003c\/strong\u003e Current flowing through the internal copper conductor generates a magnetic field detected by the integrated Hall-effect sensor. The IC converts this field into a proportional analog voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Current Output:\u003c\/strong\u003e At 0A, the output sits at approximately 2.5V (VCC\/2). Positive current increases the voltage; negative (reverse) current decreases it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion Formula:\u003c\/strong\u003e Current (A) = (Analog Voltage 2.5V) \/ 0.066 V\/A. For a 10-bit ADC on a 5V Arduino: Current = ((ADC_Value x 5.0 \/ 1024) 2.5) \/ 0.066.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Measurement:\u003c\/strong\u003e For AC current, sample rapidly over one or more full cycles and compute the RMS value from the readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the 30A ACS712 from The Engineer Store?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine ACS712 IC:\u003c\/strong\u003e Authentic Allegro MicroSystems ACS712ELCTR-30A-T - not a counterfeit or remarked chip\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy 30A ACS712 Current Sensor Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e30A ACS712 Current Sensor\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - 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 \u003cstrong\u003e30A ACS712 Current Sensor\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003e30A ACS712 Current Sensor\u003c\/strong\u003e 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.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43773776789667,"sku":"TES-EV102621","price":100.7,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/img_0563.jpg?v=1701074451","url":"https:\/\/www.theengineerstore.in\/te\/products\/30a-acs712-current-sensor","provider":"The Engineer Store","version":"1.0","type":"link"}