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
Inputs/Outputs:
• 4 CT + 8 BI + 6 BO
• 4 CT + 13 BI + 8 BO
• 4 CT + 38 BI + 18 BO
• 4 CT + 4 VT + 9 BI + 8 BO
• 4 CT + 4 VT + 14 BI + 10 BO
• 4 CT + 4 VT + 39 BI + 20 BO
Communication: USB front port, RS485, dual RJ45 Ethernet, optional optical Ethernet
Display: 128x128 backlit LCD, with mimic diagram capability
Housing: Size 6 or 12, withdrawable design
Standard IEC 61850 communication, enhanced cybersecurity
Application: Industrial feeders, utilities, and substations
Power supply: 24–34 V DC
Measuring inputs: 5 CT (1/5 A & 1 A), 4 VT
Digital I/O: 24 digital inputs, 20 digital outputs
Protection functions: Motor differential (87M), thermal overload, locked rotor, earth fault, overcurrent, voltage and frequency protections
Communication: Ethernet RJ45, 2×SFP, IEC 61850 Ed.2.1, IEC 61850-9-2 LE, Modbus, DNP3
Cybersecurity: IEC 62443 Security Level 2 (SL2)
Display: 7" color touchscreen, IP54 / IK07
Mounting: Flush or 19" rack, withdrawable design
