Numerical protection relay siemens, numerical relay protection of transformer, numerical distance protection relay, SIPROTEC 4 devices, SIPROTEC 6md61 Siemens 6md61 and siemens siprotec protection relay

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ReliServ Solution

The SIPROTEC 6MD61 enables in a simple, easy way to enhance the number of binary inputs and outputs in the switchgear. It can be used directly in the bay together with other SIPROTEC4 units and also together with SICAM PAS to serve as a central process connection.

The IO-Box is based on the SIPROTEC 6MD63 and 6MD66 series, so it can be easily integrated in systems with other SIPROTEC 4 units. The IO-Box supports a wide range of demand for additional binary inputs (BI) and binary outputs (BO), starting from 20 BI+10 BO and going up to 80 BI+53 BO. All important standard communication protocols are supported. With IEC 61850-GOOSE communication, a direct information interchange with other SIPROTEC units is possible. For simplification and cost reduction, the IO-Box is available only without automation (CFC), without keypad and without display.
Monitoring functions
  • Operational measured values (only 6MD612)
  • Energy metering values (only 6MD612)
  • Time metering of operating hours
  • Self supervision of relay
  • Standard SIPROTEC hardware for easy configuration with DIGSI
  • Full EMC compliance like all other SIPROTEC devices
  • Housing can be used for surface mounting or flush mounting
  • Three types with different amount of inputs and outputs available
  • IEC 61850 Ethernet
  • IEC 60870-5-103 protocol
  • Front interface for DIGSI 4
  • Time synchronization via IRIG B / DCF77

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