Main protection for overhead lines and cable feeders in solidly-earthed, resistance-earthed, or isolated networks
Inrush current stabilization for distribution transformers
Cold-load pickup function for feeder re-energization
Compact and flexible design
Fast commissioning using selective test functions
Configurable binary inputs/outputs
Extensive hardware and software self-supervision
Enhanced safety with sensor variant and detachable terminals with CT shorting
Press-fit mounting for fast installation
Fewer variants, easier stock management
Overcurrent, earth-fault, phase discontinuity, negative-phase sequence, thermal overload protection
Inrush detection, circuit-breaker control, reclosing, measurements
Universal power supply: 24–265 V AC/DC
Local HMI or communication-based I/O configuration
Selectable CT input (1A / 5A), Boolean logic & timers
Supports Modbus RTU and IEC 60870-5-103
Front USB port for downloading events, faults, and disturbance records
Voltage supply: 48–230 V AC/DC
Measuring inputs: 6×1/5 A CT, 2×5/1 A CT, 1×1/0.2 A CT, 4×100–110 V VT
Digital Inputs/Outputs: 12 DI, 14 DO
Communication ports: USB, RS232, 2×RJ45
Protocols: IEC 61850, IEC 60870-5-101/103, DNP3, Modbus, EtherNet/IP, DeviceNet, RSTP, PRP
Protection functions: Overfluxing, Phase/earth faults, Undervoltage, Overcurrent, Directional protection, Thermal overload, Transformer differential (87T), Capacitor protection, Recloser, etc.
Relay Type: Differential current relay
Display: LCD 128×128 pixels with single-line diagram and ANSI symbols
Dimensions: 176×270×230 mm, Weight: 4.6 kg
Environmental protection: IP54, -40…65°C operating
Warranty: 24 months
