Inputs: 4xI and 4xV
Display: 8-line text or graphical LCD
Protection Functions:
Overcurrent protection (non-directional and directional)
Motor protection and monitoring
Earth-fault protection
Thermal overload and undercurrent protection
Voltage and frequency protection
Circuit-breaker failure protection
Negative-sequence protection
Control & Logic:
Control of CBs and isolators via keyboard, binary inputs, DIGSI 4, or SCADA
Graphical visualization of switch positions
User-defined logic using CFC (interlocking, sequences, etc.)
Monitoring Functions:
Operational measured values (V, I, f)
Energy metering (Wp, Wq)
Circuit-breaker wear monitoring
Trip circuit supervision
Fuse failure monitor
8 oscillographic fault records
Motor statistics
Communication Interfaces:
IEC 61850, IEC 60870-5-103, Modbus RTU, DNP3
Electrical & optical ports, RSTP Ethernet redundancy
Front USB & service interfaces for DIGSI 4
Time sync: IRIG B, DCF77
Languages: English, Spanish, Russian, Polish, Turkish
Proven SIPROTEC 4 technology for protection, control, and automation
