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Current Sensor Module WCM1800


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AC / DC Sensing Current Module with Digital Data output


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Current Sensor Module WCM1800 Introduction

Current Sensor Module Winson WCM1800 provides economical and precise solution for both AC and DC current sensing in industrial, commercial and communications
systems. The WCM1800 consists of a current sensor, temperature sensor, a very high accuracy A/D converter and digital signal output of current. The WCM1800 includes a current sensor with a diameter 9mm hole, users can just use system’s own electric wire by pass it through this hole to measure passing current without breaking original system, user’s MCU can get the real data from DATA pin.

The WCM1800 provides temperature calibration of the internal current sensor and accurately measures the current of AC 50 / 60Hz and DC at temperature from -20˚C~70˚C. The WCM1800 also offers solutions for true RMS current measurement of various loads.


  • Continuous output and Modbus-RTU version.
  • Operating voltage DC5.0V.
  • Diameter 9.0mm conductor through hole.
  • Sensing current range :
    • AC : 0~17A (50Hz, 60Hz)
    • DC : 0~±25A
  • High accuracy :
    • AC : (0~5A) ± 0.05A
      (5~17A) ± 1%
    • DC : ±(0~5A) ± 0.10A
      ±(5~25A) ± 2%
  • High resolution :
    • AC / DC : 18mA
  • UART, Baud Rate : 9600 bps, Parity bit : None, Data bit : 8,Stop bit : 1
  • Temperature calibration
  • Isolation Voltage 4KV
SKU: Module WCM1800 Categories: ,
Model Maximum Current Operating Voltage Mode
WCM1800-AC50C 17A 5.0V Continuous
WCM1800-DC50C ±25A 5.0V Continuous
WCM1800-50C 17A ±25A 5.0V Continuous
WCM1800-50M 17A ±25A 5.0V Modbus-RTU



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