Product Category


Three phase AC Current Transducer HYB-A3

  • AC current input: 0.1A, 1A, 5A, etc.
  • Input load: CT of current transformer: ≤0.2VA
  • Accuracy: 0.2%、0.5%
  • Response time: ≤400ms
  • Output voltage: 0~10Vdc, 0~5Vdc (load resistance = input voltage/10mAdc)
  • Output current: 0~20mAdc ,4~20mAdc(Load resistance=10Vdc/output current)

Three Phase Current Transducer The HYB-A3 series.

Three phase current transducer are vital components in electrical systems for monitoring and controlling electrical currents in three-phase circuits. They play a pivotal role in converting the current in each phase into standardized output signals, facilitating real-time monitoring and data acquisition.

Feature :

The HEYI HYB current transducer cater to an extensive range of industries and applications:

  • Multi-Channel Measurement: Three phase current transducer, also known as three-phase current sensors, possess multiple channels to simultaneously measure and monitor current in all three phases: Phase A, Phase B, and Phase C.
  • Precision Current Measurement: These transducers offer high accuracy to provide precise measurements of current, ensuring reliability in power system monitoring.
  • High-Load Capacity: Designed to handle significant current loads, they are well-suited for industrial electrical systems where current levels can be substantial.
  • Output Signals: Three phase current transducer convert measured current values into standardized output signals, typically in the form of current outputs (e.g., 4-20mA current loop signals) or voltage outputs. These signals enable monitoring, control, and data acquisition.
  • Isolation and Safety: To ensure operational safety, these transducers are equipped with robust insulation to isolate the current measurement circuit from external electrical contact.
  • Immunity to Interference: They are built to resist electromagnetic interference and noise, ensuring stable and accurate measurement results.
  • Communication Interfaces: Some three phase current transducer feature communication interfaces, allowing for data transmission to monitoring systems or data acquisition devices for remote monitoring and control.


  • Power Distribution and Monitoring: Three phase current transducer are extensively used in electrical power systems for monitoring power distribution, grid stability, and power quality. They are integral for ensuring the safety and stability of the electrical network.
  • Motor Control: In industrial equipment, these transducers are employed to monitor the operation of electric motors, including current loads, overload protection, and fault detection, which helps extend motor life and reduce maintenance costs.
  • Energy Management and Efficiency Improvement: By measuring and monitoring three-phase current, businesses can implement energy management plans, optimize energy usage, reduce energy costs, and enhance efficiency.
  • Power Load Management: Utility companies and industrial enterprises use three phase current transducer for power load management to balance loads across the power system, preventing overloads and overheating.
  • Power System Monitoring: Three phase current transducer are pivotal for power companies in monitoring power system performance, including current loads, phase balance, and power quality, to ensure reliable power supply.

Choosing HEYI HYB Current Transducer

In conclusion, three phase current transducer are essential components in electrical systems for monitoring, controlling, and optimizing three-phase current. Their widespread application ensures the safety, reliability, and efficiency of power systems across various industrial, commercial, and residential settings.

AC current input 0.1A, 1A, 5A, etc.
Input load CT of current transformer: ≤0.2VA
Allow overload Current×2 times the nominal value lasts;
current×10 times the nominal value 10s
Accuracy 0.2%、0.5%
Response time ≤400ms
Output voltage 0~10Vdc, 0~5Vdc (load resistance = input voltage/10mAdc)
Output current 0~20mAdc ,4~20mAdc(Load resistance=10Vdc/output current)
Output ripple ≤0.5% RO Peak-to-peak value
Work environment temperature and humidity 0~50℃/less than 80% relative humidity (non-condensing state)
Storage conditions temperature and humidity -20~70℃/less than 70% relative humidity (non-condensing state)
Aux.power supply AC/DC 80V ~ 270V can be customized special specifications (DC12V, 24V, 48V)
Isolation Input/output/power supply/shell
Power consumption DC about 3W, AC about 4VA
Material of shell ABS fireproof material
weight About 550 grams
Compressive strength AC2kVrms/min
Insulation resistance >100MΩ at DC500V
Size of shape 120(L)×  110(W)× 75(H)mm
Installation method 35mm standard rail or fixed on the cabinet


Three phase AC Current Transducer HYB-A3-heyi

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