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High Performance Current Sensing for Automation

High Performance
Current Sensing for Automation

1-800-959-4014 |


AGT Series Ground Fault Indicators from NK Technologies Combine Current Transformer & True RMS Signal in One Package

AGT Ground Fault IndicatorsSAN JOSE, CA – NK Technologies offers a wide range of ground fault indicators, including the AGT Series Ground Fault Indicator. The AGT Series produces an analog 4–20 mA signal proportional to earth or ground fault current. When connected to a controller or data logger, NEC requirements for alarm can be met. Applications include current leakage detection (monitors heating or other loads to detect increases in leakage current) and accurate measurement of very light loads (providing faster response than temperature measurement).

Key features AGT Series features include True RMS Output – remains accurate on distorted waveforms like VFD or SCR outputs; Single Range – eliminates field range selection errors and zero and span pots; and Isolation – magnetically isolates output from the input for safety and eliminates insertion loss.

AGT Ground Fault Indicator Series specifications include:

  • Output Signal: 4 – 20 mA, Loop-powered, True RMS
  • Output Limit: 23 mA
  • Accuracy: 1,0% FS from 10% to 100% of range
  • Frequency Range: 40-400 Hz
  • Power Supply: 24 VDC Nominal, 12-24 VDC
  • Response Time: 600 ms (to 90% step change)
  • Standards: UL, CUL 508 Listed


Founded in 1982, NK Technologies designed the first low-cost solid-state current sensing technology that underlies the industry today.

Today, NK Technologies  is a leading provider of current sensing, ground fault detection and power monitoring products to the industrial and factory automation markets, with a product portfolio that includes more than 1300 models to satisfy a wide range of specific application needs.  As the needs of these markets change, NK Technologies is well-positioned to respond with sophisticated new product designs and improved product functionality necessary to meet those applications.

NK Technologies, 3511 Charter Park Drive, San Jose, CA 95136; 800.959.4014; fax: 408.871.7515;

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