Protection Functions:
Overcurrent protection (definite-time, inverse-time, or user-defined)
Sensitive and intermittent earth-fault detection
High-impedance restricted earth fault
Inrush current detection
Motor protection (undercurrent, start supervision, restart inhibit, locked rotor, load jam)
Overload and temperature protection
Breaker failure protection
Negative-sequence protection
Auto-reclosure and lockout
Control/Logic:
Control of circuit breakers and isolators
Switch positions shown on graphic display
Control via keyboard, binary inputs, DIGSI 4, or SCADA
Custom logic via CFC programming
Monitoring Functions:
Operational measurements and breaker wear monitoring
Trip circuit supervision
Oscillographic fault recording (8 records)
Motor statistics and runtime metering
Communication Interfaces:
IEC 60870-5-103, IEC 61850, PROFIBUS-FMS/-DP, DNP 3.0, MODBUS RTU
Service and front interfaces for DIGSI 4
Time sync via IRIG-B / DCF77
Hardware:
4 current transformer inputs
3/8/11 binary inputs
4/8/6 output relays