(1.0).EM-Type Directional Over Current Relay Trainer

EM-Type Directional Over Current Relay Trainer (1.1).DC Position Control Trainer (1.1).EM Type Over Current Relay trainer from powerlab instruments

Product Description

This set up is designed to study the working principle and IDMT characteristics of Single phase directional over current relay (electromechanical type). This set up consists of

  1. Electromechanical Type – Directional Over Current Relay –IDMT Type
  2. Relay test kit (Current Injection Unit)
  • Electromechanical Type – Directional Over Current Relay –IDMT Type-1A &110VAC, Make ALSTOM
  • One number of variable AC current Source of 0-20A
  • One number of Autotransformer is provided to adjust the current output continuously
  • Provision to change the direction of current coil
  • 110VAC is provided as PT coil input
  • One number of digital AC Ammeter (0-30A)  is provided 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 in ms
  • All are mounted on a nice cabinet with diagram stickered on front panel.&230VAC@50Hz AC Input with power ON/OFF Switch


  1. study & testing of Directional Over current relay with Different Plug setting & Time settings

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