Protection functions

• overcurrent protection (50, 50N, 51, 51N, 51V)
• Directional overcurrent protection, ground (67N)
• Sensitive dir. ground-fault detection (64,67Ns/67N)
• Motor protection
  • Undercurrent monitoring (37)
  • Starting time supervision (48)
  • Restart inhibit (66/86)
  • Locked rotor (14)
  • Load jam protection (51M)
• Thermal Overload protection (49)
• Under-/overvoltage protection (27/59)
• frequency protection (81O/U)
• Breaker failure protection (50BF)
• unbalance-load protection (46)
• Lockout (86)

Control functions/programmable logic

• Commands for the ctrl. of CB, disconnect switches (isolators/isolating switches)
• Control through keyboard, binary inputs, DIGSI 4 or SCADA system
• User-defined PLC logic with CFC (e.g. interl.)

Monitoring functions

• Operational measured values
• Energy metering values W p , W q
• Circuit-breaker wear monitoring
• Minimum and maximum values
• Trip circuit supervision
• Fuse failure monitor
• 8 oscillographic fault records
• Motor statistics

ATEX100-certification:

The Device is available with ATEX100-certifi cation for protection of explosion-proved machines of increasedsafety type ”e“

Communication interfaces

• System/service interface
  • IEC 61850 Edition 1 and 2
  • IEC 60870-5-103 and IEC 60870-5-104
  • PROFIBUS-DP
  • DNP 3.0
  • MODBUS RTU
  • DNP3 TCP
  • PROFINET
  • Ethernet redundancy protocols RSTP, PRP and HSR
• Ethernet interface for DIGSI 4, and extension from up to two SICAM I / O-Units 7XV5673 as well as a RTD box
• USB front interface for DIGSI 4

Hardware

• 4 current transformers
• 0/3 voltage transformers
• 3/7 binary inputs (thresholds configurable using software)
• 5/8 binary outputs (2 changeover/Form C contacts)
• 0/5 RTD inputs
• 1 live-status contact
• Pluggable current and voltage terminals