Three-phase Four-wire True RMS AC Voltage Transducer

This product range includes both single-phase and three-phase AC current transducers, designed for real-time current monitoring and signal conversion in AC circuits. Featuring high-accuracy True RMS measurement and multiple output signal options (0-5V, 0-10V, 4-20mA), these transducers provide reliable, isolated measurement data for industrial control, energy management, and power distribution systems. Options include split-core and solid-core designs, with DIN rail and screw installation types to suit diverse field requirements.

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Features & Advantages

  • Wide Measurement Range: Single-phase: 0.1A to 3000A AC；Three-phase: 1A to 200A AC
  • Multiple Output Options: 0-5V, 0-10V, 4-20mA analog signals Relay, OC gate output (alarm models)
  • True RMS Measurement (select models)：for accurate readings under distorted waveforms.
  • High Isolation & Safety: isolation voltage up to 2500V DC/1min.
  • Flexible Installation: DIN rail mounting + screw fixing
  • Split-core type available for non-intrusive retrofitting.

Application Fields

  • Power Distribution Monitoring
  • Energy Management Systems (EMS)
  • Industrial Automation and Process Control
  • HVAC and Building Management
  • Renewable Energy Systems
  • Electrical Cabinets and Switchgear Protection
  • Generator and UPS Current Monitoring

Technical Specifications

Item Single-Phase Models Three-Phase Models
Measuring Range 0.1A~3000A AC 1A~200A AC
Output Signal 0-5V, 0-10V, 4-20mA, Relay / OC gate (alarm models) 0-5V, 0-10V, 4-20mA, RS-485 MODBUS-RTU
Accuracy 0.2% / 0.5% 0.2% / 0.5%
Frequency Response 20Hz~1kHz (measurement range 20-600Hz) 20Hz~1kHz
Isolation Voltage 2500V DC / 1 min 2500V DC / 1 min
Installation DIN rail + screw, Split-core / Solid-core options DIN rail + screw
A/D Speed (for digital models) — 100ms
Operating Temperature -20℃ to +60℃ -20℃ to +60℃
Communication (select models) — RS-485 (MODBUS-RTU) / RS-232 (optional)

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