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Device

MRDT4

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LineHPT
Current transformer inputs8
Binary inputs10(+8)
Output relays6(+6)
Watchdog relay1
Time overcurrent protection [50/51]Yes
Inrush stabilisation (2nd harmonic)Yes
Earth fault protection [50N/51N]Yes
Resistance earthed / solidly earthed [50N/51N]Yes
Thermal replica [49]Yes
Circuit breaker failure protection [50BF]Yes
Negative sequence protection [46]Yes
Differential protection: Transformer [87T]Yes
Differential protection: Generator [87G]Yes
Current transformer supervision [60FL]Yes
Auto reclosing AR [79]Yes
Reset / BlockingYes
Time DateYes
Parameter sets4
Event recorderYes
Fault recorder (none volatile)Yes
Disturbance recorderYes
Output relay matrixYes
Trip circuit resp.
control circuit supervision [74TC]		Yes
Trip- and auxiliary relays [86]Yes
Modbus RTU ProtocolOptional
IEC 60870-5-103Optional
Profibus DPOptional
Modbus (TCP)Optional
IRIG-B00XYes

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.