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Device

MRG3

MRG3-I

MRG3-U0

MRG3-IE

MRG3-IU0

MRG3-IER

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LineHTLHTLHTLHTLHTLHTL
Current transformer inputs - 3 - 434
Voltage transformer inputs334344
Binary inputs222222
Output relays444444
Watchdog relay111111
Time overcurrent protection [50/51] - Yes - YesYesYes
Earth fault protection [50N/51N] - - - Yes - Yes
Resistance earthed / solidly earthed [50N/51N] - - - - - Yes
Earth fault directional feature [67N] - - - - - Yes
Circuit breaker failure protection [50BF] - Yes - YesYesYes
Voltage protection [27/59]YesYesYesYesYesYes
Residual voltage [59N] - - Yes - Yes -
Frequency protection [81O/U]YesYesYesYesYesYes
Frequency gradient [81]YesYesYesYesYesYes
Vector surge / mains decoupling [78]YesYesYesYesYesYes
Reset / BlockingYesYesYesYesYesYes
Voltage dependent functionYesYesYesYesYesYes
Time DateYesYesYesYesYesYes
Parameter sets222222
Fault recorder (none volatile)YesYesYesYesYesYes
Disturbance recorderYesYesYesYesYesYes
Output relay matrixYesYesYesYesYesYes
RS485 Open Data ProtocolYesYesYesYesYesYes
Modbus RTU ProtocolOptionalOptionalOptionalOptionalOptionalOptional
Profibus DPOptionalOptionalOptionalOptionalOptionalOptional

All shown details without any guarantees! We reserve the right of changes without prior notice.
*Only the basic device structure is shown. Differences in detail are possible.