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Image*
Device	MRP2-1IU	MRP2-3IU	MRP2-R1IU	MRP2-R3IU	MRP2-S3IU	MRR1	MRS1	MRQ1
+ pdf + ANSI + IEC...
Line	HTL	HTL	HTL	HTL	HTL	HTL	HTL	HTL
Current transformer inputs	1	3	1	3	3	-	3	1
Voltage transformer inputs	1	3	1	3	3	-	-	3
Binary inputs	2	2	2	2	2	2	2	2
Output relays	4	4	4	4	4	4	3	4
Watchdog relay	1	1	1	1	1	1	1	1
Circuit breaker failure protection [50BF]	yes	yes	yes	yes	yes	-	-	-
Power direction [32/37]	yes	yes	yes	yes	-	-	-	-
Rotor earth fault protection [64N]	-	-	-	-	-	yes	-	-
Exciter current protection [40/76]	-	-	-	-	-	yes	-	-
Diode failure	-	-	-	-	-	yes	-	-
Negative sequence protection [46]	-	-	-	-	-	-	yes	-
Field failure protection [40]	-	-	-	-	-	-	-	yes
Reset / Blocking	yes	yes	yes	yes	yes	yes	yes	yes
Voltage dependent function	yes	yes	yes	yes	-	-	-	-
Parameter sets	1	1	1	1	1	1	1	1
Fault recorder (none volatile)	yes	yes	yes	yes	yes	-	-	-
Output relay matrix	yes	yes	yes	yes	yes	yes	-	-
RS485 Open Data Protocol	yes	yes	yes	yes	yes	yes	yes	yes
Modbus RTU Protocol	option	option	option	option	option	-	-	-

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.