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1.Onboard Precision Micro Current Transformer
2.High Precision Op-Amp Circuit Board, Do Accurate Sampling For The Signal And Appropriate Compensation, And Other Functions
3.The Module Can Measure Within 5A Current Communication , Corresponding To Output Analog Quantity Can Be Adjusted


ZMCT103C AC current Sensor

is the best for the purpose of the DIY project and industrial application, where we need to measure the accurate AC current with current transformer. This is an perfect choice to measure the AC current using Arduino/ESP8266/Raspberry Pi like an opensource platform. In many electrical projects, engineer directly deals with measurements with few basic requirements like

  • High galvanic isolation
  • High accuracy
  • Good Consistency

 This module makes it easy to monitor AC mains current upto 5 Amps . ZMCT103 is  a pcb mount current transformer with 1000:1 turns ratio and Dimensions: 28 x 12 x 15 mm(LxWxH).


Applications of ZMCT103C Current Transformer

  • Metering (electrical energy meters)
  • AC Voltage measurements
  • Sensing Overload Current
  • Ground fault detection
  • Household electrical equipment
  • Industrial apparatuses
  • Electrical testing equipment and relay protection
  • Analog to digital circuits      

Features of ZMCT103 Micro Precision Current Transformers

  • low price
  • small size ( 18.3mm x17 mm) and lightweight
  • Easy PCB mounting
  • Good consistency
  • widely acclaimed



1. Interfacing ZMCT103C 5A AC Current Transformer Module with Arduino

2. AC Current Measurement using Arduino Uno


ZMCT103C 5A Range Single -phase AC Active Output Current Sensor Module

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