Main Function: Overcurrent and feeder protection
Tripping: 3-pole
Inputs & Outputs:
4 current and 4 voltage transformers
11–23 binary inputs, 9–25 binary outputs
Hardware: Modular, expandable I/O structure
Protection Functions:
Overcurrent and emergency line protection
Directional comparison for optimized tripping
Ground fault detection (3I0>, V0>, harmonic, intermittent, admittance, pulse method)
Arc protection, capacitor bank protection, thermal overload protection
Over/undervoltage, frequency, and power protection
QU (reactive power–undervoltage) protection
Control & Automation:
Graphical logic editor, synchrocheck, switchgear interlocking
Circuit-breaker failure & reignition monitoring
Communication:
Ethernet RJ45 (IEC 61850, DIGSI 5, GOOSE)
Up to 4 pluggable communication modules: IEC 60870-5-103/104, DNP3, Modbus TCP, PROFINET IO
PRP/HSR redundancy, IEEE C37.94 optical fiber link
Cybersecurity: NERC CIP compliant, role-based access
Additional Features:
Phasor Measurement Unit (PMU), IEEE 1588 time sync
Fault recording (up to 80 s @ 8 kHz or 320 s @ 2 kHz)
Conformal coating
Protection and automation for medium voltage feeders
20 user-defined protection functions
Circuit-breaker control and primary switching device management
Programmable logic (CFC) for user customization
Firmware and communication upgrades via Ethernet
Support for feeder automation (fault isolation, service restoration)
Wide operating temperature range (50°C to 85°C)
Integrated GPS for time synchronization
9 programmable function keys, 6-line display
Ethernet redundancy (RSTP, PRP, HSR)
RTU version without protection features
Stainless steel housing
8 oscillographic fault records
