ZMCT103C Current Transformer Sensor Products

Created:  
Updated:   08May2024 03:48:52 UTC 2024-05-08T03:48:52Z

Description

The ZMCT103C is a Single Phase AC Current Transformer (CT) measures current in a ±5A range with 1000:1 turns ratio, high galvanic isolation, and a small size of 28mm x 12mm x 15mm (LxWxH). The output of this CT is a current signal, which needs to be converted to a voltage signal using a burden resistor.

The ZMCT103C CT Module has a 200Ω precision burden resistor across the transformer so that a voltage can be read from the two output pins. An input of 5A into the transformer will produce 5mA through the resistor, giving a voltage output of (5mA)x(200Ω) = 1V. If an AC signal in the range ±5A is input into the transformer, then the output will be a positive and negative AC voltage in the range ±1V. If the output of this sensor module is intended to be read by an ADC, some additional circuitry will be needed to shift the voltage into the positive range.

The ZMCT103 CT OpAmp Module includes a series of OpAmps that shifts the negative AC voltage across the burden resistor into the positive range and amplifies/attenuates the signal for an ADC. The required output voltage can be adjusted via the onboard trim potentiometer.

More details on both modules are covered in the Current Sensors article.

ZMCT103C Modules

ZMCT103C CT Module


JESSINIE ZMCT103C 5A AC Current Transformer Sensor Module (5PCS)
Seller: Jessinie
Package includes:
  • 5x ZMCT103C Module
Price: $9.95(Updated 09Oct2024 19:54:472024-10-09T19:54:47Z UTC UTC)

ZMCT103C CT OpAmp Module


DAOKI JK-US-051 ZMCT103C 5A Current Transformer Sensor with OpAmp (5PCS)
Seller: DKARDU
Package includes:
  • 5x ZMCT103C Module
  • 10x Female to Male Dupont Cables
Price: $9.99(Updated 09Oct2024 19:55:092024-10-09T19:55:09Z UTC UTC)

HiLetgo ZMCT103C 5A Current Transformer Sensor with OpAmp (3PCS)
Seller: HiLetgo
Package includes:
  • 3x ZMCT103C Module
Price: $9.99(Updated 09Oct2024 19:55:152024-10-09T19:55:15Z UTC UTC)

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