4 current inputs and 4 voltage inputs (4xI, 4xV)
Text display for easy configuration and operation
MHO characteristic for precise fault detection
1-/3-pole tripping options
Protection Functions:
Distance protection (21/21N)
Ground fault protection (50N, 51N, 67N)
Teleprotection (85)
Fault locator (FL)
Power swing detection/tripping (68/68T)
Phase-overcurrent (50/51), STUB bus overcurrent (50STUB), switch-onto-fault (50HS)
Over/undervoltage (59/27), frequency protection (81O/U)
Auto-reclosure (79), synchro-check (25), breaker failure (50BF)
Control & Monitoring:
Control of CBs and isolators
Trip circuit supervision (74TC)
Event and fault logging
Oscillographic recording and switching statistics
Communication:
IEC 61850, IEC 60870-5-103, MODBUS, PROFIBUS
DIGSI 4 software interface
Time synchronization via IRIG-B/DCF77
Reliable, fast, and SCADA-ready for modern grid protection
Protection Functions:
Directional overcurrent protection
Motor protection: start/stop supervision, locked rotor, load jam
Phase and neutral overcurrent protection
Hardware:
4 current transformers, 4 voltage transformers
7 to 48 binary inputs
5 to 21 output relays
Up to 4 high-duty relays
Text or graphical display
Communication Interfaces:
System port: IEC 61850, PROFINET, DNP3 TCP, IEC 60870-5-103, PROFIBUS-DP, DNP 3.0, MODBUS RTU
Service port: DIGSI 4, Modem, Thermobox
Additional port: DIGSI 4, Thermobox
Time synchronization via IRIG B / DCF77
