NK Technologies

For over two decades, NK Technologies has remained the premier manufacturer of Current Sensors and Transducers serving the factory and industrial automation markets. 

With one of the broadest product portfolios in the industry, NK Technologies provides reliable, innovative current sensing products designed to add value and exceed our customers’ expectations.

From motor monitoring to heater status, semiconductor tools to water/wastewater plants, NK Technologies has a family of current sensors to meet your application needs.

NK Technologies Logo

Product Line

  • Current Sensing Switches
  • AC Current Transducers
  • DC Current Transducers
  • Ground Fault Sensors
  • Current Indicator AMP Flasher™
  • AC Voltage Transducers
  • DC Voltage Transducers
  • Power Sensing Products
  • Current Transformers
  • Signal Converters


  • Motors
  • Fan Status: Independent Verification of Operation
  • Conveyor Jam Protection
  • Crusher/Grinder/Shredder Motor Interlocks
  • Saw Load Monitoring
  • DC Motor Installations
  • Closed Loop Control
  • Status Alarming
  • Using Current Monitoring for Predictive Maintenance
  • Pumps
  • Pump Jam & Suction Loss Protection
  • Pump Load Monitoring
  • Moisture Ingress on a Submersible Pump Motor
  • Vacuum Pump Monitor
  • Spin Pumps
  • Using Current Monitoring for Predictive Maintenance
  • Heaters
  • Heater Life Prediction
  • Heater Failure Detection
  • Insulation Breakdown
  • Ground Fault Monitoring on Heat Trace Systems
  • Snow Melt Systems