IRI-PRO Series

FEATURES

Hardware

  • Micro-controller based Numeric Design
  • Measures True RMS with DFT Filter
  • 4 Current Analog Inputs
  • Bright LCD Display
  • USB communication / RS-485 Rear Communication
  • 15 LEDs for Annunciation

Protection

  • 3 Phase Instantaneous Protection
  • 3 Phase Time Over-current Protection (51)
  • Circuit Breaker Failure Protection (50BF)
  • Under / Voltage Protection (27/59)
  • Neutral Displacement (59N)
  • Earth Time Over-current (51N)
  • Earth Instantaneous Over-current (50N)