This set up is designed to study the working principle , DMT & IDMT characteristics of Single phase over current relay (Digital type). This set up consists of

  1. Digital Type – Over Current Relay –DMT &IDMT Type
  2. Relay test kit (Current Injection Unit)
  • One number of Digital Type – Over Current Relay –DMT &IDMT Type /5A/PLI Make
  • One number of variable AC current Source of 0-25A
  • Digital AC Ammeter (0-30A)  to measure the current input in amp
  • One number of Automatic trip time measurement circuit (ATTM Circuit) is provided
  • One number LCD – Digital stop Clock is provided in ATTM Circuit to measure relay trip time
  • All are mounted on a nice cabinet with diagram stickered on front panel.
  • 230VAC@50Hz AC Input with power ON/OFF Switch
  • For detailed specification : Plz Contact US
  • Study/Testing of Over current relay- IDMT Characteristics with different Plug setting & time setting Multiplier

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