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Image*
Device	XI1-I	XI1-E	XI1-S	XI1-E-R	XI1-S-R	XRI1-I-R	XRI1-I-E	XRI1-E-R
+ pdf + ANSI + IEC...
Line	PL	PL	PL	PL	PL	PL	PL	PL
Current transformer inputs	3	1	1	1	1	3	4	1
Voltage transformer inputs	-	-	-	1	1	3	-	3
Binary inputs	-	-	-	-	-	2	2	2
Output relays	2	2	2	2	2	4	4	4
Watchdog relay	-	-	-	-	-	1	1	1
Time overcurrent protection [50/51]	yes	-	-	-	-	yes	yes	-
Directional time overcurrent protection [67]	-	-	-	-	-	yes	-	-
Earth fault protection [50N/51N]	-	yes	-	yes	-	-	yes	yes
Resistance earthed / solidly earthed [50N/51N]	-	-	yes	-	yes	-	-	-
Earth fault directional feature [67N]	-	-	-	yes	yes	-	-	yes
Circuit breaker failure protection [50BF]	-	-	-	-	-	yes	yes	-
Reset / Blocking	-	-	-	-	-	yes	yes	yes
Parameter sets	-	-	-	-	-	1	1	1
Fault recorder (none volatile)	-	-	-	-	-	yes	yes	yes
RS485 Open Data Protocol	option	option	option	option	option	yes	yes	yes

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.