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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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Содержание EDR 3000
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