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Device

MRI1-IN

MRN3-1

MRN3-2

MRN3-3

MRU3-1

MRU3-2

MRF3

IRU1-E

IRU1-UO

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Current transformer inputs3 - - - - - - - -
Voltage transformer inputs333333113
Binary inputs2222222 - -
Output relays444444412
Watchdog relay1111111 - -
Time overcurrent protection [50/51]yes - - - - - - - -
Voltage protection [27/59] - yesyesyesyesyes - - yes
Residual voltage [59N] - - - - yesyes - yes -
Phase balance [47] - - - - - yes - - -
Frequency protection [81O/U] - yesyesyes - - yes - -
Frequency gradient [81] - - yesyes - - yes - -
Vector surge / mains decoupling [78] - yes - yes - - - - -
Reset / Blockingyesyesyesyesyesyesyes - -
Voltage dependent functionyesyesyesyes - - yesyesyes
Time Date - yesyesyesyesyesyes - -
Parameter sets1222222 - -
Fault recorder (none volatile) - yesyesyesyesyesyes - -
Disturbance recorder - yesyesyesyesyesyes - -
Output relay matrix - yesyesyesyesyesyes - -
RS485 Open Data Protocolyesyesyesyesyesyesyes - -
Modbus RTU Protocol - optionoptionoptionoptionoptionoption - -
Profibus DP - optionoptionoptionoptionoptionoption - -


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.