Eaton EDR 3000 - Page 494

EDR-3000 IM02602003E
Apply a balanced three-phase current system (nominal currents).
Switch off IA (the threshold value » Threshold« for » I2 Fund.« must be below 33%).
Measure the tripping time.
The present current unbalance » I2 Fund.« corresponds with 1/3 of the existing phase current displayed.
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