Key Features
1. Comprehensive Protection Functions
Overcurrent & earth fault protection (directional/non-directional)

Distance protection (impedance measurement)

DC traction system protection (1.5kV/3kV)

Thermal overload monitoring

2. Railway-Specific Enhancements
EN 50155 compliant (-40°C to +70°C)

SIL2 certified (EN 50126/8/9)

5kV surge protection on all I/O

Harmonic immunity for traction environments

3. Smart Monitoring & Diagnostics
Real-time phasor measurement (PMU functionality)

128-cycle fault recording (4kHz sampling)

Energy metering (kWh, kVARh, power quality)

Predictive maintenance alerts

4. Advanced Communication
Dual Ethernet ports (IEC 61850 Ed.2)

RS485 with Modbus/DNP3.0

GPS time synchronization

Cybersecurity hardened (IEC 62443)

Technical Specifications
Parameter Specification
Voltage Input 3×120V AC/DC (20–300V range)
Current Input 1A or 5A (software selectable)
Protection Speed <16ms for overcurrent functions
Accuracy 0.5% for voltage/current
Communication 2×Ethernet, 2×RS485, USB
Power Supply 24/48/110/220V DC/AC
Dimensions 4U, 19" rack mountable
Applications
✔ AC/DC traction substations
✔ Railway feeder protection
✔ Catenary system monitoring
✔ Station power distribution
✔ Industrial power in rail environments

Benefits
✅ Ultra-Fast Protection – Sub-cycle fault detection
✅ Future-Ready – Supports smart grid integration
✅ Easy Maintenance – Hot-swappable modules
✅ Cybersecurity – Secure boot & encrypted comms