High frequency current transformer clamps

The HFCT-20HD™ and HFCT-60HD™ are high frequency current transformer sensors designed for partial discharge detection on electric apparatus’ ground returns. Made from superior quality materials, it is designed for any environment.



  • Measurement on power cable shields
  • Measurement on any ground connection
  • Quality aluminum construction
  • Easy latch
  • 20mm or 60mm opening fits most cables

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Monday to Friday, 8:00 to 17:00 

Eastern Time Canada

ndb Technologies

111-1405 ave. St-Jean-Baptiste

Quebec city, Qc

G2E 5K2, Canada

Contact us

1 (418) 877 7787