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ACS758 200A Hall Effect Linear Current Sensor (AC/DC)

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Industrial-grade sensing for heavy-duty power loads.

When your project moves beyond standard household appliances and into high-power territory, the ACS758 200A Current Sensor delivers the reliability and robust performance you need. Utilizing advanced Hall-effect technology, this module provides highly precise, galvanically isolated measurement for both AC and DC currents up to 200 amps.

Designed with an ultra-low internal conductor resistance of just 100 µΩ, it minimizes power loss and heat generation even under massive loads. The sensor outputs a clean analog voltage directly proportional to the measured current, making it incredibly straightforward to interface with the ADCs on your  preferred microcontrollers.

Perfect For:

  • High-Power IoT Energy Metering: Build industrial-grade AC/DC meters or smart sub-panels for heavy machinery and manufacturing lines.

  • Off-Grid & Renewable Systems: Accurately monitor massive battery banks, inverters, and heavy-duty MPPT charging circuits.

  • Motor Control & EVs: Implement over-current protection and real-time load monitoring for high-draw electric motors.

Technical Specifications:

  • Sensor IC: Allegro ACS758 (200A Model)

  • Measurement Range: Up to 200A (Bi-directional or Uni-directional depending on specific IC variant)

  • Current Type: AC and DC

  • Operating Voltage: 3.0V to 5.5V

  • Typical Sensitivity: 10 mV/A (for the 200B bi-directional variant)

  • Internal Conductor Resistance: ~100 µΩ (minimizes thermal dissipation)

  • Isolation: Integrated galvanic isolation protects low-voltage logic from high-power loads

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.