ZeroDT is UL Certified 


  • UL Listed – Isolated Loop Circuit Protector (E4999683)
  • UL Listed – Isolated Loop Circuit Protector for use in Hazardous Locations (E502612)
  • Class 1 Division 2, Groups A, B, C and D Hazardous Locations (T6) Tamb=-40º C to 80º 
  • RoHs Compliant 


Is your surge protection adequate enough to protect tools, machinery and equipment from lightning or electrical discharges?

Did you know that ZeroDT is FASTER that lightning? ZeroDT has consistently suppressed over voltages at least 80 MILLION TIMES, responding in less that 5 nanoseconds. 


Protection with ZeroDT is available for 12V, 24V, 48V and 120V machinery and equipment.

What is ZeroDT 

ZeroDT Family of Products 

ZeroDT Specifications